80 lines
2.6 KiB
Haxe
80 lines
2.6 KiB
Haxe
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package lnx;
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import iron.object.Object;
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import iron.system.Input;
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import zui.*;
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class UITrait extends iron.Trait {
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var ui:Zui;
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var rt:kha.Image; // Render target for UI
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var uiWidth = 512;
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var uiHeight = 512;
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var gate:Object;
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var opened = false;
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public function new() {
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super();
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// Load font for UI labels
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iron.data.Data.getFont("font_default.ttf", function(f:kha.Font) {
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ui = new Zui({font: f, autoNotifyInput: false});
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iron.Scene.active.notifyOnInit(sceneInit);
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});
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}
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function sceneInit() {
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// Reference to gate object
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gate = iron.Scene.active.getChild('Gate');
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gate.animation.pause();
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rt = kha.Image.createRenderTarget(uiWidth, uiHeight);
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// We will use empty texture slot in attached material to render UI
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var mat:iron.data.MaterialData = cast(object, iron.object.MeshObject).materials[0];
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mat.contexts[0].textures[0] = rt; // Override diffuse texture
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notifyOnRender(render);
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notifyOnUpdate(update);
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}
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function render(g:kha.graphics4.Graphics) {
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// Begin drawing UI
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ui.begin(rt.g2);
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// Make new window
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if (ui.window(Id.handle(), 0, 0, uiWidth, uiHeight, true)) {
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// Gate controll buttons
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if (ui.button("Open") && !opened) {
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// Gate object is animated in Blender
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// Play GateOpen animation
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gate.animation.play('GateOpen', function() { gate.animation.pause(); });
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opened = true;
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}
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if (ui.button("Close") && opened) {
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// And close..
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gate.animation.play('GateClose', function() { gate.animation.pause(); });
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opened = false;
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}
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}
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ui.end();
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}
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function update() {
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// Get plane UV
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var mouse = Input.getMouse();
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var uv = iron.math.RayCaster.boxIntersect(cast object.transform, mouse.x, mouse.y, iron.Scene.active.camera);
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if (uv == null) return;
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// Pixel coords
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var d1 = object.transform.dim;
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var px = Std.int(((uv.x-(-d1.x/2)) / ((d1.x/2)-(-d1.x/2)) - object.transform.worldx()) * uiWidth);
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var py = Std.int(((uv.z-(d1.z/2)) / ((d1.z/2)-(-d1.z/2)) - object.transform.worldz()) * -uiHeight) ;
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// Send input events
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if (mouse.started()) ui.onMouseDown(0, px, py);
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else if (mouse.released()) ui.onMouseUp(0, px, py);
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if (mouse.movementX != 0 || mouse.movementY != 0) ui.onMouseMove(px, py, 0, 0);
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}
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}
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