src/bz/collision/particle_collision.c

   1 #include <bz/collision/particle_collision.h>
   2
   3 #include <bz/fx/particle_simulation_internal.h>
   4
   5 void bzCollisionPopulateParticles(BZCollisionSpaceID space, BZParticleSimulationID simulation, BZIdentifierHash tagHash, float radiusMultiplier) {
   6         BZCollisionShape s;
   7
   8         s.type = BZCollisionShapeTypeCircle;
   9
  10         for (size_t i = 0; i < simulation->maxParticles; ++i) {
  11                 float particleStartTicks = simulation->spawnTime[i];
  12                 float lifetime = simulation->lifetime[i];
  13                 if (particleStartTicks + lifetime >= simulation->time) {
  14                         s.circleOrigin.x = simulation->positionX[i];
  15                         s.circleOrigin.y = simulation->positionY[i];
  16                         s.circleRadius = simulation->size[i] * radiusMultiplier;
  17                         bzCollisionAddBody(space, BZCollisionBodyTypeSolid, &s, tagHash, (void *)i);
  18                 }
  19         }
  20 }