Merge pull request #16744 from looeee/convert_gpuparticlesystem_to_module

Add modules and TS file for GPUParticleSystem

Author: Mugen87

examples/js/GPUParticleSystem.js renamed to examples/js/objects/GPUParticleSystem.js

@@ -0,0 +1,65 @@
+import {
+  BufferGeometry,
+  Object3D,
+  ShaderMaterial,
+  Texture,
+} from '../../../src/Three';
+
+
+export interface GPUParticleSystemOptions {
+  maxParticles?: number;
+  containerCount?: number;
+  particleNoiseTex?: Texture;
+  particleSpriteTex?: Texture;
+}
+
+export class GPUParticleSystem extends Object3D {
+  constructor( options: GPUParticleSystemOptions );
+
+  PARTICLE_COUNT: number;
+  PARTICLE_CONTAINERS: number;
+
+  PARTICLE_NOISE_TEXTURE: Texture;
+  PARTICLE_SPRITE_TEXTURE: Texture;
+
+  PARTICLES_PER_CONTAINER: number;
+  PARTICLE_CURSOR: number;
+  time: number;
+  particleContainers: number[];
+  rand: number[];
+
+  particleNoiseTex: Texture;
+  particleSpriteTex: Texture;
+
+  particleShaderMat: ShaderMaterial;
+
+  random(): number;
+  init(): void;
+  spawnParticle( option: object ): void;
+  update( time: number ): void;
+  dispose(): void;
+
+}
+
+export class GPUParticleContainer extends Object3D {
+  constructor( maxParticles: number, particleSystem: GPUParticleSystem );
+
+	PARTICLE_COUNT: number;
+	PARTICLE_CURSOR: number;
+	time: number;
+	offset: number;
+	count: number;
+	DPR: number;
+	GPUParticleSystem: GPUParticleSystem;
+	particleUpdate: number;
+
+  particleShaderGeo: BufferGeometry;
+
+  particleShaderMat: ShaderMaterial;
+
+  init(): void;
+  spawnParticle( option: object ): void;
+  update( time: number ): void;
+  dispose(): void;
+
+}