77 lines
2.6 KiB
TypeScript
77 lines
2.6 KiB
TypeScript
const { ccclass, property } = cc._decorator;
|
|
|
|
@ccclass
|
|
export default class LocalDiffusionCtrl extends cc.Component {
|
|
private color: cc.Color = cc.Color.RED;
|
|
|
|
onEnable() {
|
|
this.node.on(cc.Node.EventType.TOUCH_START, this._onTouchStart, this);
|
|
this.node.on(cc.Node.EventType.TOUCH_MOVE, this._onTouchMove, this);
|
|
this.node.on(cc.Node.EventType.TOUCH_END, this._onTouchEnd, this);
|
|
this.node.on(cc.Node.EventType.TOUCH_CANCEL, this._onTouchCancel, this);
|
|
}
|
|
|
|
onDisable() {
|
|
this.node.off(cc.Node.EventType.TOUCH_START, this._onTouchStart, this);
|
|
this.node.off(cc.Node.EventType.TOUCH_MOVE, this._onTouchMove, this);
|
|
this.node.off(cc.Node.EventType.TOUCH_END, this._onTouchEnd, this);
|
|
this.node.off(cc.Node.EventType.TOUCH_CANCEL, this._onTouchCancel, this);
|
|
}
|
|
|
|
private _onTouchStart(event: cc.Event.EventTouch) {
|
|
this._onTouchMove(event);
|
|
}
|
|
|
|
private _onTouchMove(event: cc.Event.EventTouch) {
|
|
let touchPointInWorldSpace = event.getLocation();
|
|
let touchPointInNodeSpace = this.node.convertToNodeSpaceAR(touchPointInWorldSpace);
|
|
|
|
// 将触摸点转换为OPENGL坐标系并归一化
|
|
let normalizePos = cc.v2(
|
|
this.node.anchorX + touchPointInNodeSpace.x / this.node.width,
|
|
1 - (this.node.anchorY + touchPointInNodeSpace.y / this.node.height)
|
|
);
|
|
|
|
this._updateMaterial({
|
|
centerColor: this.color,
|
|
certerPoint: normalizePos,
|
|
radius: 0.6
|
|
});
|
|
}
|
|
|
|
private _onTouchEnd(event: cc.Event.EventTouch) {
|
|
this._onTouchCancel(event);
|
|
}
|
|
|
|
private _onTouchCancel(event: cc.Event.EventTouch) {}
|
|
|
|
private _updateMaterial(param: {
|
|
/**
|
|
* 中心点颜色
|
|
*/
|
|
centerColor: cc.Color;
|
|
|
|
/**
|
|
* 中心点坐标 ([0.0, 1.0], [0.0, 1.0])
|
|
*/
|
|
certerPoint: cc.Vec2;
|
|
|
|
/**
|
|
* 扩散半径 [0.0, 1.0]
|
|
*/
|
|
radius: number;
|
|
}) {
|
|
this.getComponents(cc.RenderComponent).forEach(renderComponent => {
|
|
let material: cc.Material = renderComponent.getMaterial(0);
|
|
material.setProperty("centerColor", cc.v4(1.0, 1.0, 0.0, 1.0));
|
|
material.setProperty(
|
|
"centerColor",
|
|
cc.v4(param.centerColor.getR() / 255, param.centerColor.getG() / 255, param.centerColor.getB() / 255, param.centerColor.getA() / 255)
|
|
);
|
|
material.setProperty("centerPoint", param.certerPoint);
|
|
material.setProperty("radius", param.radius);
|
|
renderComponent.setMaterial(0, material);
|
|
});
|
|
}
|
|
}
|