62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
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import { _decorator, Component, Node, SkinnedMeshRenderer, v4, v3, Vec3, clamp01, Material } from 'cc';
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import { UtilVec3 } from '../../core/util/util';
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import { TestColliderMeshSwitch } from '../../test/test-collider-mesh-switch';
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const { ccclass, property } = _decorator;
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@ccclass('FxGhostVertex')
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export class FxGhostVertex extends Component {
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@property
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intensity = 4;
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private materials: Array<Material> = [];
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private directionUniform = v4();
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private direction: Vec3 = v3();
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private currentPosition: Vec3 | undefined;
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private lastPosition: Vec3 | undefined;
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private t = 0;
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start() {
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this.currentPosition = this.node.position.clone();
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this.lastPosition = this.currentPosition.clone();
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let components = this.node.getComponentsInChildren(SkinnedMeshRenderer);
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components.forEach(
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(comp) => {
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this.materials.push(comp.material!);
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}
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);
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}
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update(deltaTime: number) {
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UtilVec3.copy(this.currentPosition!, this.node.worldPosition);
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if (this.currentPosition!.equals(this.lastPosition!)) {
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this.t = 0;
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}
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this.t += deltaTime;
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this.t = clamp01(this.t);
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Vec3.lerp(this.lastPosition!, this.lastPosition!, this.currentPosition!, this.t);
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Vec3.subtract(this.direction, this.lastPosition!, this.currentPosition!).multiplyScalar(this.intensity);
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this.materials.forEach(
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(material: Material) => {
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let handle = material.passes[0].getHandle("direction")
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material.passes[0].getUniform(handle, this.directionUniform);
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this.directionUniform.set(
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this.direction.x,
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this.direction.y,
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this.direction.z,
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this.directionUniform.w,
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);
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material.passes[0].setUniform(handle, this.directionUniform);
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}
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);
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}
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}
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