forked from LeenkxTeam/LNXSDK
Merge pull request 'added Mouse Look node for FSP style movement of object like camera...' (#89) from wuaieyo/LNXSDK:main into main
Reviewed-on: LeenkxTeam/LNXSDK#89
This commit is contained in:
232
leenkx/Sources/leenkx/logicnode/MouseLookNode.hx
Normal file
232
leenkx/Sources/leenkx/logicnode/MouseLookNode.hx
Normal file
@ -0,0 +1,232 @@
|
||||
package leenkx.logicnode;
|
||||
|
||||
import iron.math.Vec4;
|
||||
import iron.system.Input;
|
||||
import iron.object.Object;
|
||||
import kha.System;
|
||||
import kha.FastFloat;
|
||||
|
||||
class MouseLookNode extends LogicNode {
|
||||
// Note: This implementation works in degrees internally and converts to radians only when applying rotations
|
||||
// Sub-pixel interpolation is always enabled for optimal precision
|
||||
// Features: Resolution-adaptive scaling and precise low-sensitivity support
|
||||
|
||||
public var property0: String; // Front axis
|
||||
public var property1: Bool; // Center Mouse
|
||||
public var property2: Bool; // Invert X
|
||||
public var property3: Bool; // Invert Y
|
||||
public var property4: Bool; // Cap Left/Right
|
||||
public var property5: Bool; // Cap Up/Down
|
||||
|
||||
// New strategy toggles
|
||||
public var property6: Bool; // Resolution-Adaptive Scaling
|
||||
|
||||
// Smoothing variables
|
||||
var smoothX: FastFloat = 0.0;
|
||||
var smoothY: FastFloat = 0.0;
|
||||
|
||||
// Capping limits (in degrees)
|
||||
var maxHorizontal: FastFloat = 180.0; // 180 degrees
|
||||
var maxVertical: FastFloat = 90.0; // 90 degrees
|
||||
|
||||
// Current accumulated rotations for capping
|
||||
var currentHorizontal: FastFloat = 0.0;
|
||||
var currentVertical: FastFloat = 0.0;
|
||||
|
||||
// Sub-pixel interpolation accumulators
|
||||
var accumulatedHorizontalRotation: FastFloat = 0.0;
|
||||
var accumulatedVerticalRotation: FastFloat = 0.0;
|
||||
var minimumRotationThreshold: FastFloat = 0.01; // degrees (was 0.0001 radians)
|
||||
|
||||
// Frame rate independence removed - not applicable to mouse input
|
||||
|
||||
// Resolution adaptive scaling
|
||||
var baseResolutionWidth: FastFloat = 1920.0;
|
||||
var baseResolutionHeight: FastFloat = 1080.0;
|
||||
|
||||
|
||||
|
||||
public function new(tree: LogicTree) {
|
||||
super(tree);
|
||||
}
|
||||
|
||||
override function run(from: Int) {
|
||||
var bodyObject: Object = inputs[1].get();
|
||||
var headObject: Object = inputs[2].get();
|
||||
var sensitivity: FastFloat = inputs[3].get();
|
||||
var smoothing: FastFloat = inputs[4].get();
|
||||
|
||||
if (bodyObject == null) {
|
||||
runOutput(0);
|
||||
return;
|
||||
}
|
||||
|
||||
var mouse = Input.getMouse();
|
||||
|
||||
// Handle mouse centering/locking
|
||||
if (property1) {
|
||||
if (mouse.started() && !mouse.locked) {
|
||||
mouse.lock();
|
||||
}
|
||||
}
|
||||
|
||||
// Only process if mouse is active
|
||||
if (!mouse.locked && !mouse.down()) {
|
||||
runOutput(0);
|
||||
return;
|
||||
}
|
||||
|
||||
// Get mouse movement deltas
|
||||
var deltaX: FastFloat = mouse.movementX;
|
||||
var deltaY: FastFloat = mouse.movementY;
|
||||
|
||||
// Note: Sensitivity will be applied later to preserve precision for small movements
|
||||
|
||||
// Apply inversion
|
||||
if (property2) deltaX = -deltaX;
|
||||
if (property3) deltaY = -deltaY;
|
||||
|
||||
// Strategy 1: Resolution-Adaptive Scaling
|
||||
var resolutionMultiplier: FastFloat = 1.0;
|
||||
if (property6) {
|
||||
var currentWidth = System.windowWidth();
|
||||
var currentHeight = System.windowHeight();
|
||||
resolutionMultiplier = (currentWidth / baseResolutionWidth) * (currentHeight / baseResolutionHeight);
|
||||
resolutionMultiplier = Math.sqrt(resolutionMultiplier); // Take square root to avoid over-scaling
|
||||
}
|
||||
|
||||
// Frame Rate Independence disabled for mouse input - mouse deltas are inherently frame-rate independent
|
||||
|
||||
// Apply smoothing
|
||||
if (smoothing > 0.0) {
|
||||
var smoothFactor = 1.0 - Math.min(smoothing, 0.99); // Prevent complete smoothing
|
||||
smoothX = smoothX * smoothing + deltaX * smoothFactor;
|
||||
smoothY = smoothY * smoothing + deltaY * smoothFactor;
|
||||
deltaX = smoothX;
|
||||
deltaY = smoothY;
|
||||
}
|
||||
|
||||
// Determine rotation axes based on front axis setting
|
||||
var horizontalAxis = new Vec4();
|
||||
var verticalAxis = new Vec4();
|
||||
|
||||
switch (property0) {
|
||||
case "X": // X is front
|
||||
horizontalAxis.set(0, 0, 1); // Z axis for horizontal (yaw)
|
||||
verticalAxis.set(0, 1, 0); // Y axis for vertical (pitch)
|
||||
case "Y": // Y is front (default)
|
||||
#if lnx_yaxisup
|
||||
horizontalAxis.set(0, 0, 1); // Z axis for horizontal (yaw)
|
||||
verticalAxis.set(1, 0, 0); // X axis for vertical (pitch)
|
||||
#else
|
||||
horizontalAxis.set(0, 0, 1); // Z axis for horizontal (yaw)
|
||||
verticalAxis.set(1, 0, 0); // X axis for vertical (pitch)
|
||||
#end
|
||||
case "Z": // Z is front
|
||||
horizontalAxis.set(0, 1, 0); // Y axis for horizontal (yaw)
|
||||
verticalAxis.set(1, 0, 0); // X axis for vertical (pitch)
|
||||
}
|
||||
|
||||
// Base scaling
|
||||
var baseScale: FastFloat = 1500.0;
|
||||
var finalScale = baseScale;
|
||||
|
||||
// Apply resolution scaling
|
||||
if (property6) {
|
||||
finalScale *= resolutionMultiplier;
|
||||
}
|
||||
|
||||
|
||||
|
||||
// Apply sensitivity scaling after all enhancement strategies to preserve precision
|
||||
deltaX *= sensitivity;
|
||||
deltaY *= sensitivity;
|
||||
|
||||
// Calculate rotation amounts (in degrees)
|
||||
var horizontalRotation: FastFloat = (-deltaX / finalScale) * 180.0 / Math.PI;
|
||||
var verticalRotation: FastFloat = (-deltaY / finalScale) * 180.0 / Math.PI;
|
||||
|
||||
// Note: Frame rate independence removed for mouse input as mouse deltas
|
||||
// are already frame-rate independent by nature. Mouse input represents
|
||||
// instantaneous user intent, not time-based movement.
|
||||
|
||||
// Strategy 2: Sub-Pixel Interpolation (always enabled)
|
||||
accumulatedHorizontalRotation += horizontalRotation;
|
||||
accumulatedVerticalRotation += verticalRotation;
|
||||
|
||||
// Only apply rotation if accumulated amount exceeds threshold
|
||||
if (Math.abs(accumulatedHorizontalRotation) >= minimumRotationThreshold) {
|
||||
horizontalRotation = accumulatedHorizontalRotation;
|
||||
accumulatedHorizontalRotation = 0.0;
|
||||
} else {
|
||||
horizontalRotation = 0.0;
|
||||
}
|
||||
|
||||
if (Math.abs(accumulatedVerticalRotation) >= minimumRotationThreshold) {
|
||||
verticalRotation = accumulatedVerticalRotation;
|
||||
accumulatedVerticalRotation = 0.0;
|
||||
} else {
|
||||
verticalRotation = 0.0;
|
||||
}
|
||||
|
||||
// Apply capping constraints
|
||||
if (property4) { // Cap Left/Right
|
||||
currentHorizontal += horizontalRotation;
|
||||
if (currentHorizontal > maxHorizontal) {
|
||||
horizontalRotation -= (currentHorizontal - maxHorizontal);
|
||||
currentHorizontal = maxHorizontal;
|
||||
} else if (currentHorizontal < -maxHorizontal) {
|
||||
horizontalRotation -= (currentHorizontal + maxHorizontal);
|
||||
currentHorizontal = -maxHorizontal;
|
||||
}
|
||||
}
|
||||
|
||||
if (property5) { // Cap Up/Down
|
||||
currentVertical += verticalRotation;
|
||||
if (currentVertical > maxVertical) {
|
||||
verticalRotation -= (currentVertical - maxVertical);
|
||||
currentVertical = maxVertical;
|
||||
} else if (currentVertical < -maxVertical) {
|
||||
verticalRotation -= (currentVertical + maxVertical);
|
||||
currentVertical = -maxVertical;
|
||||
}
|
||||
}
|
||||
|
||||
// Apply horizontal rotation to body (yaw)
|
||||
if (Math.abs(horizontalRotation) > 0.01) { // 0.01 degrees threshold
|
||||
bodyObject.transform.rotate(horizontalAxis, horizontalRotation * Math.PI / 180.0); // Convert degrees to radians
|
||||
|
||||
// Sync physics if needed
|
||||
#if lnx_physics
|
||||
var rigidBody = bodyObject.getTrait(leenkx.trait.physics.RigidBody);
|
||||
if (rigidBody != null) rigidBody.syncTransform();
|
||||
#end
|
||||
}
|
||||
|
||||
// Apply vertical rotation to head (pitch) if head object is provided
|
||||
if (headObject != null && Math.abs(verticalRotation) > 0.01) { // 0.01 degrees threshold
|
||||
// For head rotation, use the head's local coordinate system
|
||||
var headVerticalAxis = headObject.transform.world.right();
|
||||
headObject.transform.rotate(headVerticalAxis, verticalRotation * Math.PI / 180.0); // Convert degrees to radians
|
||||
|
||||
// Sync physics if needed
|
||||
#if lnx_physics
|
||||
var headRigidBody = headObject.getTrait(leenkx.trait.physics.RigidBody);
|
||||
if (headRigidBody != null) headRigidBody.syncTransform();
|
||||
#end
|
||||
} else if (headObject == null) {
|
||||
// If no head object, apply vertical rotation to body as well
|
||||
if (Math.abs(verticalRotation) > 0.01) { // 0.01 degrees threshold
|
||||
bodyObject.transform.rotate(verticalAxis, verticalRotation * Math.PI / 180.0); // Convert degrees to radians
|
||||
|
||||
// Sync physics if needed
|
||||
#if lnx_physics
|
||||
var rigidBody = bodyObject.getTrait(leenkx.trait.physics.RigidBody);
|
||||
if (rigidBody != null) rigidBody.syncTransform();
|
||||
#end
|
||||
}
|
||||
}
|
||||
|
||||
runOutput(0);
|
||||
}
|
||||
}
|
||||
101
leenkx/blender/lnx/logicnode/input/LN_mouse_look.py
Normal file
101
leenkx/blender/lnx/logicnode/input/LN_mouse_look.py
Normal file
@ -0,0 +1,101 @@
|
||||
from lnx.logicnode.lnx_nodes import *
|
||||
|
||||
|
||||
class MouseLookNode(LnxLogicTreeNode):
|
||||
"""Controls object rotation based on mouse movement for FPS-style camera control.
|
||||
|
||||
Features:
|
||||
- Sub-pixel interpolation (always enabled) for optimal precision and smooth low-sensitivity movement
|
||||
- Resolution-adaptive scaling for consistent feel across different screen resolutions
|
||||
"""
|
||||
bl_idname = 'LNMouseLookNode'
|
||||
bl_label = 'Mouse Look'
|
||||
lnx_section = 'mouse'
|
||||
lnx_version = 1
|
||||
|
||||
# Front axis property
|
||||
property0: HaxeEnumProperty(
|
||||
'property0',
|
||||
items=[('X', 'X Axis', 'X Axis as front'),
|
||||
('Y', 'Y Axis', 'Y Axis as front'),
|
||||
('Z', 'Z Axis', 'Z Axis as front')],
|
||||
name='Front', default='Y')
|
||||
|
||||
# Hide Locked property
|
||||
property1: HaxeBoolProperty(
|
||||
'property1',
|
||||
name='Hide Locked',
|
||||
description='Automatically center and lock the mouse cursor',
|
||||
default=True)
|
||||
|
||||
# Invert X property
|
||||
property2: HaxeBoolProperty(
|
||||
'property2',
|
||||
name='Invert X',
|
||||
description='Invert horizontal mouse movement',
|
||||
default=False)
|
||||
|
||||
# Invert Y property
|
||||
property3: HaxeBoolProperty(
|
||||
'property3',
|
||||
name='Invert Y',
|
||||
description='Invert vertical mouse movement',
|
||||
default=False)
|
||||
|
||||
# Cap Left/Right property
|
||||
property4: HaxeBoolProperty(
|
||||
'property4',
|
||||
name='Cap Left / Right',
|
||||
description='Limit horizontal rotation',
|
||||
default=False)
|
||||
|
||||
# Cap Up/Down property
|
||||
property5: HaxeBoolProperty(
|
||||
'property5',
|
||||
name='Cap Up / Down',
|
||||
description='Limit vertical rotation',
|
||||
default=True)
|
||||
|
||||
# Strategy toggles
|
||||
property6: HaxeBoolProperty(
|
||||
'property6',
|
||||
name='Resolution Adaptive',
|
||||
description='Scale sensitivity based on screen resolution',
|
||||
default=False)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
def lnx_init(self, context):
|
||||
self.add_input('LnxNodeSocketAction', 'In')
|
||||
self.add_input('LnxNodeSocketObject', 'Body')
|
||||
self.add_input('LnxNodeSocketObject', 'Head')
|
||||
self.add_input('LnxFloatSocket', 'Sensitivity', default_value=0.5)
|
||||
self.add_input('LnxFloatSocket', 'Smoothing', default_value=0.0)
|
||||
|
||||
self.add_output('LnxNodeSocketAction', 'Out')
|
||||
|
||||
def draw_buttons(self, context, layout):
|
||||
layout.prop(self, 'property0', text='Front')
|
||||
layout.prop(self, 'property1', text='Hide Locked')
|
||||
|
||||
# Invert XY section
|
||||
col = layout.column(align=True)
|
||||
col.label(text="Invert XY:")
|
||||
row = col.row(align=True)
|
||||
row.prop(self, 'property2', text='X', toggle=True)
|
||||
row.prop(self, 'property3', text='Y', toggle=True)
|
||||
|
||||
# Cap rotations section
|
||||
col = layout.column(align=True)
|
||||
col.prop(self, 'property4', text='Cap Left / Right')
|
||||
col.prop(self, 'property5', text='Cap Up / Down')
|
||||
|
||||
# Separator
|
||||
layout.separator()
|
||||
|
||||
# Enhancement strategies section
|
||||
col = layout.column(align=True)
|
||||
col.label(text="Enhancement Strategies:")
|
||||
col.prop(self, 'property6', text='Resolution Adaptive')
|
||||
Reference in New Issue
Block a user