683 lines
20 KiB
Haxe
683 lines
20 KiB
Haxe
package iron.object;
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import kha.arrays.Float32Array;
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import kha.graphics4.TextureFormat;
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import kha.graphics4.Usage;
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import iron.math.Mat4;
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import iron.math.Vec4;
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import iron.data.LightData;
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import iron.object.CameraObject;
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class LightObject extends Object {
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public var data: LightData;
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#if rp_shadowmap
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#if lnx_shadowmap_atlas
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public var tileNotifyOnRemove: Void -> Void;
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public var lightInAtlas = false;
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public var lightInAtlasTransparent = false;
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public var culledLight = false;
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public static var pointLightsData: kha.arrays.Float32Array = null;
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public var shadowMapScale = 1.0; // When in forward if this defaults to 0.0, the atlas are not drawn before being bound.
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// Data used in uniforms
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public var tileOffsetX: Array<Float> = [0.0];
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public var tileOffsetY: Array<Float> = [0.0];
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public var tileScale: Array<Float> = [1.0];
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#end
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// Cascades
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public static var cascadeCount = 1;
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public static var cascadeSplitFactor = 0.8;
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public static var cascadeBounds = 1.0;
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#if lnx_csm
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var cascadeData: Float32Array = null;
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var cascadeVP: Array<Mat4>;
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var camSlicedP: Array<Mat4> = null;
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var cascadeSplit: Array<kha.FastFloat>;
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var bias = Mat4.identity();
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#else
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var camSlicedP: Mat4 = null;
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#end
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#end // rp_shadowmap
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#if (lnx_csm || lnx_clusters)
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static var helpMat = Mat4.identity();
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#end
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// Clusters
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#if lnx_clusters
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static var slicesX = 16;
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static var slicesY = 16;
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static var slicesZ = 16;
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static inline var maxLights = getMaxLights();
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public static inline var maxLightsCluster = getMaxLightsCluster(); // Mirror shader constant
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static inline var clusterNear = 3.0;
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public static var lightsArray: Float32Array = null;
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#if lnx_spot
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public static var lightsArraySpot: Float32Array = null;
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#end
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public static var clustersData: kha.Image = null;
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static var lpos = new Vec4();
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public static var LWVPMatrixArray: Float32Array = null;
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#end // lnx_clusters
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public var V: Mat4 = Mat4.identity();
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public var P: Mat4 = null;
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public var VP: Mat4 = Mat4.identity();
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public var frustumPlanes: Array<FrustumPlane> = null;
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static var m = Mat4.identity();
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static var eye = new Vec4();
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#if rp_shadowmap
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static var corners: Array<Vec4> = null;
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#end
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public function new(data: LightData) {
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super();
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this.data = data;
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var type = data.raw.type;
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var fov = data.raw.fov;
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if (type == "sun") {
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#if rp_shadowmap
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if (corners == null) {
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corners = [];
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for (i in 0...8) corners.push(new Vec4());
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}
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P = Mat4.identity();
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#else
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P = Mat4.ortho(-1, 1, -1, 1, data.raw.near_plane, data.raw.far_plane);
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#end
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#if lnx_shadowmap_atlas
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this.shadowMapScale = 1.0;
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#end
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}
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else if (type == "point" || type == "area") {
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P = Mat4.persp(fov, 1, data.raw.near_plane, data.raw.far_plane);
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}
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else if (type == "spot") {
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P = Mat4.persp(fov, 1, data.raw.near_plane, data.raw.far_plane);
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}
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Scene.active.lights.push(this);
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}
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override public function remove() {
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if (Scene.active != null) Scene.active.lights.remove(this);
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final rp = RenderPath.active;
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if (rp.light == this) { rp.light = null; }
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if (rp.point == this) { rp.point = null; }
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else if (rp.sun == this) { rp.sun = null; }
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#if rp_shadowmap
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#if lnx_shadowmap_atlas
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if (tileNotifyOnRemove != null) {
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tileNotifyOnRemove();
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tileNotifyOnRemove = null;
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}
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#end
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#end
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super.remove();
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}
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public function buildMatrix(camera: CameraObject) {
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transform.buildMatrix();
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if (data.raw.type == "sun") { // Cover camera frustum
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#if (rp_shadowmap && !lnx_csm) // Otherwise set cascades on mesh draw
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setCascade(camera, 0);
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#else
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V.getInverse(transform.world);
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updateViewFrustum(camera);
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#end
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}
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else { // Point, spot, area
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V.getInverse(transform.world);
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updateViewFrustum(camera);
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}
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}
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#if rp_shadowmap
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static inline function setCorners() {
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corners[0].set(-1.0, -1.0, 1.0);
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corners[1].set(-1.0, -1.0, -1.0);
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corners[2].set(-1.0, 1.0, 1.0);
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corners[3].set(-1.0, 1.0, -1.0);
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corners[4].set(1.0, -1.0, 1.0);
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corners[5].set(1.0, -1.0, -1.0);
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corners[6].set(1.0, 1.0, 1.0);
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corners[7].set(1.0, 1.0, -1.0);
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}
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static inline function mix(a: Float, b: Float, f: Float): Float {
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return a * (1 - f) + b * f;
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}
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public function setCascade(camera: CameraObject, cascade: Int) {
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#if lnx_vr
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m.setFrom(camera.leftV);
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#else
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m.setFrom(camera.V);
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#end
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#if lnx_csm
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if (camSlicedP == null) {
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camSlicedP = [];
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cascadeSplit = [];
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var ortho = camera.data.raw.ortho;
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if (ortho == null) {
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var aspect = camera.data.raw.aspect != null ? camera.data.raw.aspect : iron.App.w() / iron.App.h();
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var fov = camera.data.raw.fov;
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var near = camera.data.raw.near_plane;
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var far = camera.data.raw.far_plane;
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var factor = cascadeCount > 2 ? cascadeSplitFactor : cascadeSplitFactor * 0.25;
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for (i in 0...cascadeCount) {
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var f = i + 1.0;
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var cfar = mix(
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near + (f / cascadeCount) * (far - near),
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near * Math.pow(far / near, f / cascadeCount),
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factor);
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cascadeSplit.push(cfar);
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camSlicedP.push(Mat4.persp(fov, aspect, near, cfar));
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}
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}
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else {
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for (i in 0...cascadeCount) {
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cascadeSplit.push(data.raw.far_plane);
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camSlicedP.push(Mat4.ortho(ortho[0], ortho[1], ortho[2], ortho[3], data.raw.near_plane, data.raw.far_plane));
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}
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}
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}
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m.multmat(camSlicedP[cascade]);
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#else
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if (camSlicedP == null) { // Fit to light far plane
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var ortho = camera.data.raw.ortho;
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if (ortho == null) {
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var fov = camera.data.raw.fov;
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var near = data.raw.near_plane;
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var far = data.raw.far_plane;
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var aspect = camera.data.raw.aspect != null ? camera.data.raw.aspect : iron.App.w() / iron.App.h();
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camSlicedP = Mat4.persp(fov, aspect, near, far);
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}
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else {
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// camSlicedP = camera.P;
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camSlicedP = Mat4.ortho(ortho[0], ortho[1], ortho[2], ortho[3], data.raw.near_plane, data.raw.far_plane);
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}
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}
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m.multmat(camSlicedP);
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#end
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m.getInverse(m);
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V.getInverse(transform.world);
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V.toRotation();
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m.multmat(V);
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setCorners();
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for (v in corners) {
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v.applymat4(m);
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v.set(v.x / v.w, v.y / v.w, v.z / v.w);
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}
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var minx = corners[0].x;
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var miny = corners[0].y;
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var minz = corners[0].z;
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var maxx = corners[0].x;
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var maxy = corners[0].y;
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var maxz = corners[0].z;
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for (v in corners) {
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if (v.x < minx) minx = v.x;
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if (v.x > maxx) maxx = v.x;
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if (v.y < miny) miny = v.y;
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if (v.y > maxy) maxy = v.y;
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if (v.z < minz) minz = v.z;
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if (v.z > maxz) maxz = v.z;
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}
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// Adjust frustum size by longest diagonal - fix rotation swim
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var diag0 = Vec4.distance(corners[0], corners[7]);
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var offx = (diag0 - (maxx - minx)) * 0.5;
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var offy = (diag0 - (maxy - miny)) * 0.5;
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minx -= offx;
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maxx += offx;
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miny -= offy;
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maxy += offy;
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// Snap to texel coords - fix translation swim
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var smsize = data.raw.shadowmap_size;
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#if lnx_csm // Cascades
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smsize = Std.int(smsize / 4);
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#end
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var worldPerTexelX = (maxx - minx) / smsize;
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var worldPerTexelY = (maxy - miny) / smsize;
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var worldPerTexelZ = (maxz - minz) / smsize;
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minx = Math.floor(minx / worldPerTexelX) * worldPerTexelX;
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miny = Math.floor(miny / worldPerTexelY) * worldPerTexelY;
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minz = Math.floor(minz / worldPerTexelZ) * worldPerTexelZ;
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maxx = Math.floor(maxx / worldPerTexelX) * worldPerTexelX;
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maxy = Math.floor(maxy / worldPerTexelY) * worldPerTexelY;
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maxz = Math.floor(maxz / worldPerTexelZ) * worldPerTexelZ;
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var hx = (maxx - minx) / 2;
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var hy = (maxy - miny) / 2;
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var hz = (maxz - minz) / 2;
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V._30 = -(minx + hx);
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V._31 = -(miny + hy);
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V._32 = -(minz + hz);
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// (-hz * 4 * cascadeBounds) - include shadow casters out of view frustum
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m = Mat4.ortho(-hx, hx, -hy, hy, -hz * 4 * cascadeBounds, hz);
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P.setFrom(m);
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updateViewFrustum(camera);
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#if lnx_csm
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if (cascadeVP == null) {
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cascadeVP = [];
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for (i in 0...cascadeCount) {
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cascadeVP.push(Mat4.identity());
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}
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}
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cascadeVP[cascade].setFrom(VP);
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#end
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}
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#end // rp_shadowmap
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function updateViewFrustum(camera: CameraObject) {
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VP.multmats(P, V);
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// Frustum culling enabled
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if (camera.data.raw.frustum_culling) {
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if (frustumPlanes == null) {
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frustumPlanes = [];
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for (i in 0...6) frustumPlanes.push(new FrustumPlane());
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}
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CameraObject.buildViewFrustum(VP, frustumPlanes);
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}
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}
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public function setCubeFace(face: Int, camera: CameraObject) {
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// Set matrix to match cubemap face
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eye.set(transform.worldx(), transform.worldy(), transform.worldz());
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#if (!kha_opengl && !kha_webgl && !lnx_shadowmap_atlas)
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var flip = (face == 2 || face == 3) ? true : false; // Flip +Y, -Y
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#else
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var flip = false;
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#end
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CameraObject.setCubeFace(V, eye, face, flip);
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updateViewFrustum(camera);
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}
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#if lnx_csm
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public function getCascadeData(): Float32Array {
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// Cascade mats + split distances
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if (cascadeData == null) {
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cascadeData = new Float32Array(cascadeCount * 16 + 4);
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}
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if (cascadeVP == null) return cascadeData;
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// 4 cascade mats + split distances
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for (i in 0...cascadeCount) {
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m.setFrom(cascadeVP[i]);
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bias.setFrom(Uniforms.biasMat);
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#if (!lnx_shadowmap_atlas)
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bias._00 /= cascadeCount; // Atlas offset
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bias._30 /= cascadeCount;
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bias._30 += i * (1 / cascadeCount);
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#else
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// tile matrix
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helpMat.setIdentity();
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// scale [0-1] coords to [0-tilescale]
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helpMat._00 = this.tileScale[i];
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helpMat._11 = this.tileScale[i];
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// offset coordinate start from [0, 0] to [tile-start-x, tile-start-y]
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helpMat._30 = this.tileOffsetX[i];
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helpMat._31 = this.tileOffsetY[i];
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bias.multmat(helpMat);
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#if (!kha_opengl)
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helpMat.setIdentity();
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helpMat._11 = -1.0;
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helpMat._31 = 1.0;
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bias.multmat(helpMat);
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#end
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#end
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m.multmat(bias);
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cascadeData[i * 16] = m._00;
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cascadeData[i * 16 + 1] = m._01;
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cascadeData[i * 16 + 2] = m._02;
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cascadeData[i * 16 + 3] = m._03;
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cascadeData[i * 16 + 4] = m._10;
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cascadeData[i * 16 + 5] = m._11;
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cascadeData[i * 16 + 6] = m._12;
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cascadeData[i * 16 + 7] = m._13;
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cascadeData[i * 16 + 8] = m._20;
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cascadeData[i * 16 + 9] = m._21;
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cascadeData[i * 16 + 10] = m._22;
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cascadeData[i * 16 + 11] = m._23;
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cascadeData[i * 16 + 12] = m._30;
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cascadeData[i * 16 + 13] = m._31;
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cascadeData[i * 16 + 14] = m._32;
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cascadeData[i * 16 + 15] = m._33;
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}
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cascadeData[cascadeCount * 16 ] = cascadeSplit[0];
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cascadeData[cascadeCount * 16 + 1] = cascadeSplit[1];
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cascadeData[cascadeCount * 16 + 2] = cascadeSplit[2];
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cascadeData[cascadeCount * 16 + 3] = cascadeSplit[3];
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return cascadeData;
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}
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#end // lnx_csm
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#if lnx_clusters
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// Centralize discarding conditions when iterating over lights
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// Important to avoid issues later with "misaligned" data in uniforms (lightsArray, clusterData, LWVPSpotArray)
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public inline static function discardLight(light: LightObject) {
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return !light.visible || light.data.raw.strength == 0.0 || light.data.raw.type == "sun";
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}
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// Discarding conditions but with culling included
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public inline static function discardLightCulled(light: LightObject) {
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return #if lnx_shadowmap_atlas light.culledLight || #end discardLight(light);
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}
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#if (lnx_shadowmap_atlas && lnx_shadowmap_atlas_lod)
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// Arbitrary function to map from [0-16] to [1.0-0.0]
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public inline static function zToShadowMapScale(z: Int, max: Int): Float {
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return 0.25 * Math.sqrt(-z + max);
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}
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#end
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static function getRadius(strength: kha.FastFloat): kha.FastFloat {
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// (1.0 / (dist * dist)) * strength = 0.01
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return Math.sqrt(strength / 0.004);
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}
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inline static function distSliceX(f: Float, lpos: Vec4): Float {
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return (lpos.x - f * lpos.z) / Math.sqrt(1.0 + f * f);
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}
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inline static function distSliceY(f: Float, lpos: Vec4): Float {
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return (lpos.y - f * lpos.z) / Math.sqrt(1.0 + f * f);
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}
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static function sliceToDist(camera: CameraObject, z: Int): Float {
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var cnear = clusterNear + camera.data.raw.near_plane;
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switch (z) {
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case 0:
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return camera.data.raw.near_plane;
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case 1:
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return cnear;
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default: {
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var depthl = (z - 1) / (slicesZ - 1);
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return Math.exp(depthl * Math.log(camera.data.raw.far_plane - cnear + 1.0)) + cnear - 1.0;
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}
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}
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}
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public static function updateClusters(camera: CameraObject) {
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// Reference: https://newq.net/publications/more/s2015-many-lights-course
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var lights = Scene.active.lights;
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#if lnx_spot // Point lamps first
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lights.sort(function(a, b): Int {
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return a.data.raw.type >= b.data.raw.type ? 1 : -1;
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});
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#end
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if (clustersData == null) {
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var lines = #if (lnx_spot) 2 #else 1 #end;
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clustersData = kha.Image.create(slicesX * slicesY * slicesZ, lines + maxLightsCluster, TextureFormat.L8, Usage.DynamicUsage);
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}
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var bytes = clustersData.lock();
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var stride = slicesX * slicesY * slicesZ;
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for (i in 0...stride) {
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bytes.set(i, 0);
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#if lnx_spot
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bytes.set(i + stride * (maxLightsCluster + 1), 0);
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#end
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}
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var fovtan = Math.tan(camera.data.raw.fov * 0.5);
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var stepY = (2.0 * fovtan) / slicesY;
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var aspect = RenderPath.active.currentW / RenderPath.active.currentH;
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var stepX = (2.0 * fovtan * aspect) / slicesX;
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var n = lights.length > maxLights ? maxLights : lights.length;
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var i = 0;
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for (l in lights) {
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if (discardLight(l)) continue;
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if (i >= n) break;
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// Light bounds
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lpos.set(l.transform.worldx(), l.transform.worldy(), l.transform.worldz());
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lpos.applymat4(camera.V);
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lpos.z *= -1.0;
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var radius = getRadius(l.data.raw.strength);
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var minX = 0;
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var minY = 0;
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var minZ = 0;
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var maxX = slicesX;
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var maxY = slicesY;
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var maxZ = slicesZ;
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while (minX <= slicesX) {
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if (distSliceX(stepX * (minX + 1 - slicesX * 0.5), lpos) <= radius) break;
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|
minX++;
|
|
}
|
|
while (maxX >= minX) {
|
|
if (-distSliceX(stepX * (maxX - 1 - slicesX * 0.5), lpos) <= radius) { maxX--; break; }
|
|
maxX--;
|
|
}
|
|
while (minY <= slicesY) {
|
|
if (distSliceY(stepY * (minY + 1 - slicesY * 0.5), lpos) <= radius) break;
|
|
minY++;
|
|
}
|
|
while (maxY >= minY) {
|
|
if (-distSliceY(stepY * (maxY - 1 - slicesY * 0.5), lpos) <= radius) { maxY--; break; }
|
|
maxY--;
|
|
}
|
|
while (minZ <= slicesZ) {
|
|
if (sliceToDist(camera, minZ + 1) >= lpos.z - radius) break;
|
|
minZ++;
|
|
}
|
|
while (maxZ >= minZ) {
|
|
if (sliceToDist(camera, maxZ - 1) <= lpos.z + radius) break;
|
|
maxZ--;
|
|
}
|
|
#if lnx_shadowmap_atlas
|
|
l.culledLight = maxZ < 0 || minX > maxX || minY > maxY;
|
|
l.shadowMapScale = l.culledLight ? 0.0 : #if lnx_shadowmap_atlas_lod zToShadowMapScale(minZ, slicesZ) #else 1.0 #end;
|
|
// Discard lights that are outside of the view
|
|
if (l.culledLight) {
|
|
continue;
|
|
}
|
|
#end
|
|
// Mark affected clusters
|
|
for (z in minZ...maxZ + 1) {
|
|
for (y in minY...maxY + 1) {
|
|
for (x in minX...maxX + 1) {
|
|
var cluster = x + y * slicesX + z * slicesX * slicesY;
|
|
var numLights = bytes.get(cluster);
|
|
if (numLights < maxLightsCluster) {
|
|
numLights++;
|
|
bytes.set(cluster, numLights);
|
|
bytes.set(cluster + stride * numLights, i);
|
|
#if lnx_spot
|
|
if (l.data.raw.type == "spot") {
|
|
// Last line
|
|
var numSpots = bytes.get(cluster + stride * (maxLightsCluster + 1)) + 1;
|
|
bytes.set(cluster + stride * (maxLightsCluster + 1), numSpots);
|
|
}
|
|
#end
|
|
}
|
|
}
|
|
}
|
|
}
|
|
i++;
|
|
}
|
|
clustersData.unlock();
|
|
|
|
updateLightsArray(); // TODO: only update on light change
|
|
}
|
|
|
|
static function updateLightsArray() {
|
|
if (lightsArray == null) { // vec4x3 - 1: pos, a, color, b, 2: dir, c
|
|
lightsArray = new Float32Array(maxLights * 4 * 3);
|
|
#if lnx_spot
|
|
lightsArraySpot = new Float32Array(maxLights * 4 * 2);
|
|
#end
|
|
}
|
|
var lights = Scene.active.lights;
|
|
var n = lights.length > maxLights ? maxLights : lights.length;
|
|
var i = 0;
|
|
for (l in lights) {
|
|
if (discardLightCulled(l)) continue;
|
|
if (i >= n) break;
|
|
|
|
// light position
|
|
lightsArray[i * 12 ] = l.transform.worldx();
|
|
lightsArray[i * 12 + 1] = l.transform.worldy();
|
|
lightsArray[i * 12 + 2] = l.transform.worldz();
|
|
lightsArray[i * 12 + 3] = 0.0; // padding or spot scale x
|
|
|
|
// light color
|
|
var f = l.data.raw.strength;
|
|
lightsArray[i * 12 + 4] = l.data.raw.color[0] * f;
|
|
lightsArray[i * 12 + 5] = l.data.raw.color[1] * f;
|
|
lightsArray[i * 12 + 6] = l.data.raw.color[2] * f;
|
|
lightsArray[i * 12 + 7] = 0.0; // padding or spot scale y
|
|
|
|
// other data
|
|
lightsArray[i * 12 + 8] = l.data.raw.shadows_bias; // bias
|
|
lightsArray[i * 12 + 9] = 0.0; // cutoff for detecting spot
|
|
lightsArray[i * 12 + 10] = l.data.raw.cast_shadow ? 1.0 : 0.0; // hasShadows
|
|
lightsArray[i * 12 + 11] = 0.0; // padding
|
|
|
|
#if lnx_spot
|
|
if (l.data.raw.type == "spot") {
|
|
lightsArray[i * 12 + 9] = l.data.raw.spot_size;
|
|
|
|
var dir = l.look().normalize();
|
|
lightsArraySpot[i * 8 ] = dir.x;
|
|
lightsArraySpot[i * 8 + 1] = dir.y;
|
|
lightsArraySpot[i * 8 + 2] = dir.z;
|
|
lightsArraySpot[i * 8 + 3] = l.data.raw.spot_blend;
|
|
|
|
// Premultiply scale with z component
|
|
var scale = l.transform.scale;
|
|
lightsArray[i * 12 + 3] = scale.z == 0.0 ? 0.0 : scale.x / scale.z;
|
|
lightsArray[i * 12 + 7] = scale.z == 0.0 ? 0.0 : scale.y / scale.z;
|
|
|
|
final right = l.right().normalize();
|
|
lightsArraySpot[i * 8 + 4] = right.x;
|
|
lightsArraySpot[i * 8 + 5] = right.y;
|
|
lightsArraySpot[i * 8 + 6] = right.z;
|
|
lightsArraySpot[i * 8 + 7] = 0.0; // padding
|
|
}
|
|
#end
|
|
i++;
|
|
}
|
|
}
|
|
|
|
public static function updateLWVPMatrixArray(object: Object, type: String) {
|
|
if (LWVPMatrixArray == null) {
|
|
LWVPMatrixArray = new Float32Array(maxLightsCluster * 16);
|
|
}
|
|
|
|
var lights = Scene.active.lights;
|
|
var n = lights.length > maxLightsCluster ? maxLightsCluster : lights.length;
|
|
var i = 0;
|
|
|
|
for (light in lights) {
|
|
if (i >= n) {
|
|
break;
|
|
}
|
|
if (discardLightCulled(light)) continue;
|
|
if (light.data.raw.type == type) {
|
|
m.setFrom(light.VP);
|
|
m.multmat(Uniforms.biasMat);
|
|
#if lnx_shadowmap_atlas
|
|
// tile matrix
|
|
helpMat.setIdentity();
|
|
// scale [0-1] coords to [0-tilescale]
|
|
helpMat._00 = light.tileScale[0];
|
|
helpMat._11 = light.tileScale[0];
|
|
// offset coordinate start from [0, 0] to [tile-start-x, tile-start-y]
|
|
helpMat._30 = light.tileOffsetX[0];
|
|
helpMat._31 = light.tileOffsetY[0];
|
|
m.multmat(helpMat);
|
|
#if (!kha_opengl)
|
|
helpMat.setIdentity();
|
|
helpMat._11 = -1.0;
|
|
helpMat._31 = 1.0;
|
|
m.multmat(helpMat);
|
|
#end
|
|
#end
|
|
|
|
LWVPMatrixArray[i * 16 ] = m._00;
|
|
LWVPMatrixArray[i * 16 + 1] = m._01;
|
|
LWVPMatrixArray[i * 16 + 2] = m._02;
|
|
LWVPMatrixArray[i * 16 + 3] = m._03;
|
|
LWVPMatrixArray[i * 16 + 4] = m._10;
|
|
LWVPMatrixArray[i * 16 + 5] = m._11;
|
|
LWVPMatrixArray[i * 16 + 6] = m._12;
|
|
LWVPMatrixArray[i * 16 + 7] = m._13;
|
|
LWVPMatrixArray[i * 16 + 8] = m._20;
|
|
LWVPMatrixArray[i * 16 + 9] = m._21;
|
|
LWVPMatrixArray[i * 16 + 10] = m._22;
|
|
LWVPMatrixArray[i * 16 + 11] = m._23;
|
|
LWVPMatrixArray[i * 16 + 12] = m._30;
|
|
LWVPMatrixArray[i * 16 + 13] = m._31;
|
|
LWVPMatrixArray[i * 16 + 14] = m._32;
|
|
LWVPMatrixArray[i * 16 + 15] = m._33;
|
|
}
|
|
i++;
|
|
}
|
|
return LWVPMatrixArray;
|
|
}
|
|
|
|
public static inline function getMaxLights(): Int {
|
|
#if (rp_max_lights == 8)
|
|
return 8;
|
|
#elseif (rp_max_lights == 16)
|
|
return 16;
|
|
#elseif (rp_max_lights == 24)
|
|
return 24;
|
|
#elseif (rp_max_lights == 32)
|
|
return 32;
|
|
#elseif (rp_max_lights == 64)
|
|
return 64;
|
|
#else
|
|
return 4;
|
|
#end
|
|
}
|
|
|
|
public static inline function getMaxLightsCluster(): Int {
|
|
#if (rp_max_lights_cluster == 8)
|
|
return 8;
|
|
#elseif (rp_max_lights_cluster == 16)
|
|
return 16;
|
|
#elseif (rp_max_lights_cluster == 24)
|
|
return 24;
|
|
#elseif (rp_max_lights_cluster == 32)
|
|
return 32;
|
|
#elseif (rp_max_lights_cluster == 64)
|
|
return 64;
|
|
#else
|
|
return 4;
|
|
#end
|
|
}
|
|
#end // lnx_clusters
|
|
|
|
public inline function right(): Vec4 {
|
|
return new Vec4(V._00, V._10, V._20);
|
|
}
|
|
|
|
public inline function up(): Vec4 {
|
|
return new Vec4(V._01, V._11, V._21);
|
|
}
|
|
|
|
public inline function look(): Vec4 {
|
|
return new Vec4(V._02, V._12, V._22);
|
|
}
|
|
}
|