add shapes test page, particle effects

src/particles/types.ts

@@ -0,0 +1,62 @@
+/** Resolved particle data from a ParticleData datablock. */
+export interface ParticleDataResolved {
+  dragCoefficient: number;
+  windCoefficient: number;
+  gravityCoefficient: number;
+  inheritedVelFactor: number;
+  constantAcceleration: number;
+  lifetimeMS: number;
+  lifetimeVarianceMS: number;
+  spinSpeed: number;
+  spinRandomMin: number;
+  spinRandomMax: number;
+  useInvAlpha: boolean;
+  /** 1-4 keyframes with normalized time (0-1). */
+  keys: ParticleKey[];
+  textureName: string;
+}
+
+export interface ParticleKey {
+  r: number;
+  g: number;
+  b: number;
+  a: number;
+  size: number;
+  time: number;
+}
+
+/** Resolved emitter data from a ParticleEmitterData datablock. */
+export interface EmitterDataResolved {
+  ejectionPeriodMS: number;
+  periodVarianceMS: number;
+  ejectionVelocity: number;
+  velocityVariance: number;
+  ejectionOffset: number;
+  thetaMin: number;
+  thetaMax: number;
+  phiReferenceVel: number;
+  phiVariance: number;
+  overrideAdvances: boolean;
+  orientParticles: boolean;
+  orientOnVelocity: boolean;
+  lifetimeMS: number;
+  lifetimeVarianceMS: number;
+  particles: ParticleDataResolved;
+}
+
+/** Live particle instance during simulation. */
+export interface Particle {
+  pos: [number, number, number];
+  vel: [number, number, number];
+  orientDir: [number, number, number];
+  currentAge: number;
+  totalLifetime: number;
+  dataIndex: number;
+  spinSpeed: number;
+  currentSpin: number;
+  r: number;
+  g: number;
+  b: number;
+  a: number;
+  size: number;
+}