Java ParticleType类代码示例

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
/**
 * removes particles outside the zombie_aabb from the world.
 */
public void removeLostParticles(){
  
  if(zombie_aabb == null){
    createZombieBounds();
  }
  
  int    pcount = getParticleCount();
  Vec2[] pverts = getParticlePositionBuffer();
  int[]  pflags = getParticleFlagsBuffer();
  
  for(int i = 0; i < pcount; i++){
    Vec2 vert = pverts[i];
    if(vert.x < zombie_aabb.lowerBound.x || vert.x > zombie_aabb.upperBound.x ||
       vert.y < zombie_aabb.lowerBound.y || vert.y > zombie_aabb.upperBound.y)
    {
      pflags[i] |= ParticleType.b2_zombieParticle;
      // world.destroyParticle(i); // works also
    }
  }
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
@Override
public void step(TestbedSettings settings) {
  super.step(settings);

  Vec2 p = circle.getTransform().p;
  Vec2 v = circle.getLinearVelocity();

  if ((p.x < -10.0f && v.x < 0.0f) || (p.x > 10.0f && v.x > 0.0f)) {
    v.x = -v.x;
    circle.setLinearVelocity(v);
  }
  int[] flagsBuffer = m_world.getParticleFlagsBuffer();
  for (int i = 0; i < m_world.getParticleCount(); i++) {
    flagsBuffer[i] = flags;
  }

  addTextLine("'a' Clear");
  addTextLine("'e' Elastic " + ((flags & ParticleType.b2_elasticParticle) != 0));
  addTextLine("'q' Powder  " + ((flags & ParticleType.b2_powderParticle) != 0));
  addTextLine("'t' Tensile " + ((flags & ParticleType.b2_tensileParticle) != 0));
  addTextLine("'v' Viscous " + ((flags & ParticleType.b2_viscousParticle) != 0));
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
@Deprecated
static final public int updateParticleShapeBuffer(World world, PShape group_particles){
  int particle_num_old = world.getParticleCount();
  int particle_num_new = 0;
  
  if(particle_num_old == 0){
    return 0;
  }
  
  if(group_particles.getChildCount() == 0){
    return 0;
  }
  
  // The following is way faster, then removing shapes in place.
  // ... even when iterating backwards, a lot of repeated/unnecessary copying 
  // will be needed.

  PShape group = group_particles;
  PShape[] shapes = group.getChildren();
  int[] particle_flag = world.getParticleFlagsBuffer();
  

  // re-map particles, so that zombies are left out
  for(int i = 0; i < particle_num_old; i++){
    if((particle_flag[i] & ParticleType.b2_zombieParticle) == 0){
      shapes[particle_num_new++] = shapes[i];
    }
  }
  
  // remove number of zombies by triming the buffer to the new size
  // unfortunately PShape offers no better way to do this
  for(int i = particle_num_old - 1; i >= particle_num_new; i--){
    group.removeChild(i);
  }
  
  
  int removed = particle_num_old - particle_num_new;
  
  return removed;
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public DwParticleSpawn(World world, DwViewportTransform transform){
  this.world = world;
  this.transform = transform;
  this.pdestroyer = new DwParticleDestroyer(world, transform);
  this.group_def  = new ParticleGroupDef();
  
  this.group_def.setColor(new Color3f(1,0.35f, 0.15f));
  this.group_def.flags = ParticleType.b2_waterParticle | ParticleType.b2_viscousParticle;
  this.group_def.groupFlags = 0;
  
  setCircleShape(30);
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
@Override
public void keyPressed(char keyCar, int keyCode) {
  super.keyPressed(keyCar, keyCode);
  int toggle = 0;
  switch (keyCar) {
    case 'a':
      flags = 0;
      break;
    case 'e':
      toggle = ParticleType.b2_elasticParticle;
      break;
    case 'q':
      toggle = ParticleType.b2_powderParticle;
      break;
    case 't':
      toggle = ParticleType.b2_tensileParticle;
      break;
    case 'v':
      toggle = ParticleType.b2_viscousParticle;
      break;
  }
  if (toggle != 0) {
    if ((flags & toggle) != 0) {
      flags = flags & ~toggle;
    } else {
      flags = flags | toggle;
    }
  }
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void keyPressed(char keyChar, int keyCode) {
  m_drawing = keyChar != 'x';
  m_particleFlags = 0;
  m_groupFlags = 0;
  color.set((byte)127, (byte)127, (byte)127, (byte)50);
  switch (keyChar) {
    case 'e':
      m_particleFlags = ParticleType.b2_elasticParticle;
      m_groupFlags = ParticleGroupType.b2_solidParticleGroup;
      break;
    case 'p':
      m_particleFlags = ParticleType.b2_powderParticle;
      break;
    case 'f':
      m_groupFlags =
          ParticleGroupType.b2_rigidParticleGroup | ParticleGroupType.b2_solidParticleGroup;
      break;
    case 's':
      m_particleFlags = ParticleType.b2_springParticle;
      m_groupFlags = ParticleGroupType.b2_solidParticleGroup;
      break;
    case 't':
      color.set((byte)0, (byte)127, (byte)0, (byte)50);
      m_particleFlags = ParticleType.b2_tensileParticle;
      break;
    case 'v':
      color.set((byte)0, (byte)0, (byte)127, (byte)50);
      m_particleFlags = ParticleType.b2_viscousParticle;
      break;
    case 'w':
      m_particleFlags = ParticleType.b2_wallParticle;
      m_groupFlags = ParticleGroupType.b2_solidParticleGroup;
      break;
    case 'z':
      m_particleFlags = ParticleType.b2_zombieParticle;
      break;
  }
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void reset(){
  // release old resources
  release();
  
  
  // liquid effect
  pixelflow = new DwPixelFlow(this);
  particle_fluidfx = new DwLiquidFX(pixelflow);
  
  // different render-targets for different bodies/particles/etc...
  pg_liquid = (PGraphics2D) createGraphics(width, height, P2D);
  pg_liquid.smooth(0);

  pg_prigid = (PGraphics2D) createGraphics(width, height, P2D);
  pg_prigid.smooth(0);
  
  pg_bodies = (PGraphics2D) createGraphics(width, height, P2D);
  pg_bodies.smooth(8);
  

  

  // box2d/liquidfun world
  world = new DwWorld(this, 15);
  
  // particle render settings
  
  world.particles.param.falloff_exp1 = 3f;
  world.particles.param.falloff_exp2 = 1f;
  world.particles.param.radius_scale = 2;
  
  // callback to group particles by their properties (flags)
  world.particles.setParticleRenderGroupCallback(new DwParticleRenderGroupCallback() {
    @Override
    public int getRenderGroupIndex(int particle_idx, ParticleGroup group, int particle_flag) {
      int group_flag = group.getGroupFlags();
      
      boolean is_wall  = (particle_flag & ParticleType     .b2_wallParticle      ) != 0;
      boolean is_solid = (group_flag    & ParticleGroupType.b2_solidParticleGroup) != 0;
      boolean is_rigid = (group_flag    & ParticleGroupType.b2_rigidParticleGroup) != 0;

      int group_id = 0;
      if(is_wall || is_solid || is_rigid){
        group_id = 1;
      } else {
        group_id = 0;
      }
      return group_id;
    }
  });
  

 
  setParticleSpawnProperties(spawn_type);
  
  // create scene: rigid bodies, particles, etc ...
  initScene();
}
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void setParticleSpawnProperties(int type){
    
    spawn_type = type;

    int COLOR_MIX = 0;
//    COLOR_MIX = ParticleType.b2_colorMixingParticle;
    
    DwParticleSpawn particle_spawn = world.mouse_spawn_particles;
    particle_spawn.join_groups = false;
    particle_spawn.setCircleShape(30);
    
    colorMode(HSB, 360, 100, 100);
    
    float hsb_s = 100;
    float hsb_b = 100;

    switch (type) {
      case 0:
        particle_spawn.group_def.setColor(color(225, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_waterParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 1:
        particle_spawn.group_def.setColor(color(100, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_viscousParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 2:
        particle_spawn.group_def.setColor(color(0, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_tensileParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 3:
        particle_spawn.group_def.setColor(color(60, hsb_s * 0.5f, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_powderParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 4:
        particle_spawn.group_def.setColor(color(330, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_wallParticle;
        particle_spawn.group_def.groupFlags = ParticleGroupType.b2_solidParticleGroup;
        particle_spawn.join_groups = true;
        particle_spawn.setCircleShape(20);
        break;
    }
    
    colorMode(RGB, 255);

  }
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void setParticleSpawnProperties(int type){
    
    spawn_type = type;

    int COLOR_MIX = 0;
//    COLOR_MIX = ParticleType.b2_colorMixingParticle;
    
    DwParticleSpawn particle_spawn = world.mouse_spawn_particles;
    particle_spawn.join_groups = false;
    particle_spawn.setCircleShape(40);

    colorMode(HSB, 360, 100, 100);
    
    switch (type) {
      case 0:
        particle_spawn.group_def.setColor(color(225, 96, 96));
        particle_spawn.group_def.flags = ParticleType.b2_waterParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 1:
        particle_spawn.group_def.setColor(color(100, 96, 96));
        particle_spawn.group_def.flags = ParticleType.b2_viscousParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 2:
        particle_spawn.group_def.setColor(color(5, 96, 96));
        particle_spawn.group_def.flags = ParticleType.b2_tensileParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 3:
        particle_spawn.group_def.setColor(color(70, 50, 96));
        particle_spawn.group_def.flags = ParticleType.b2_powderParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 4:
        particle_spawn.group_def.setColor(color(300, 96, 96));
//        particle_spawn.group_def.flags = ParticleType.b2_elasticParticle | ParticleType.b2_springParticle | COLOR_MIX;
        particle_spawn.group_def.flags = ParticleType.b2_elasticParticle | COLOR_MIX;

        particle_spawn.group_def.groupFlags = 0;
        break;
      case 5:
        particle_spawn.group_def.setColor(color(120, 90, 50));
        particle_spawn.group_def.flags = ParticleType.b2_wallParticle;
        particle_spawn.group_def.groupFlags = ParticleGroupType.b2_solidParticleGroup;
        particle_spawn.join_groups = true;
        particle_spawn.setCircleShape(15);
        break;
    }
    
    colorMode(RGB, 255);

  }
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void setParticleSpawnProperties(int type){
    
    spawn_type = type;

    int COLOR_MIX = 0;
//    COLOR_MIX = ParticleType.b2_colorMixingParticle;
    
    DwParticleSpawn particle_spawn = world.mouse_spawn_particles;
    particle_spawn.join_groups = false;
    particle_spawn.setCircleShape(40);
    
    colorMode(HSB, 360, 100, 100);

    switch (type) {
      case 0:
        particle_spawn.group_def.setColor(color(225, 100, 100));
        particle_spawn.group_def.flags = ParticleType.b2_waterParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 1:
        particle_spawn.group_def.setColor(color(100, 100, 100));
        particle_spawn.group_def.flags = ParticleType.b2_viscousParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 2:
        particle_spawn.group_def.setColor(color(0, 100, 100));
        particle_spawn.group_def.flags = ParticleType.b2_tensileParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 3:
        particle_spawn.group_def.setColor(color(60, 50, 100));
        particle_spawn.group_def.flags = ParticleType.b2_powderParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 4:
        particle_spawn.group_def.setColor(color(330, 100, 100));
        particle_spawn.group_def.flags = ParticleType.b2_wallParticle;
        particle_spawn.group_def.groupFlags = ParticleGroupType.b2_solidParticleGroup;
        particle_spawn.join_groups = true;
        particle_spawn.setCircleShape(20);
        break;
    }
    
    colorMode(RGB, 255);

  }
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void reset(){
    // release old resources
    release();
    
    
    // liquid effect
    pixelflow = new DwPixelFlow(this);
    particle_fluidfx = new DwLiquidFX(pixelflow);
    
    // different render-targets for different bodies/particles/etc...
    pg_liquid = (PGraphics2D) createGraphics(width, height, P2D);
    pg_liquid.smooth(0);

    pg_prigid = (PGraphics2D) createGraphics(width, height, P2D);
    pg_prigid.smooth(0);
    
    pg_bodies = (PGraphics2D) createGraphics(width, height, P2D);
    pg_bodies.smooth(8);
    

    

    // box2d/liquidfun world
//    world.INIT_GL_PARTICLES = false;
    world = new DwWorld(this, 15);
    
    // particle render settings
    
    world.particles.param.falloff_exp1 = 3f;
    world.particles.param.falloff_exp2 = 1f;
    world.particles.param.radius_scale = 2;
    
    // callback to group particles by their properties (flags)
    world.particles.setParticleRenderGroupCallback(new DwParticleRenderGroupCallback() {
      @Override
      public int getRenderGroupIndex(int particle_idx, ParticleGroup group, int particle_flag) {
        int group_flag = group.getGroupFlags();
        
        boolean is_wall  = (particle_flag & ParticleType     .b2_wallParticle      ) != 0;
        boolean is_solid = (group_flag    & ParticleGroupType.b2_solidParticleGroup) != 0;
        boolean is_rigid = (group_flag    & ParticleGroupType.b2_rigidParticleGroup) != 0;

        int group_id = 0;
        if(is_wall || is_solid || is_rigid){
          group_id = 1;
        } else {
          group_id = 0;
        }
        return group_id;
      }
    });
    

   
    setParticleSpawnProperties(spawn_type);
    
    // create scene: rigid bodies, particles, etc ...
    initScene();
  }
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void setParticleSpawnProperties(int type){
    
    spawn_type = type;

    int COLOR_MIX = 0;
//    COLOR_MIX = ParticleType.b2_colorMixingParticle;
    
    DwParticleSpawn particle_spawn = world.mouse_spawn_particles;
    particle_spawn.join_groups = false;
    particle_spawn.setCircleShape(30);
    
    colorMode(HSB, 360, 100, 100);
    
    float hsb_s = 10;
    float hsb_b = 20;

    switch (type) {
      case 0:
        particle_spawn.group_def.setColor(color(225, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_waterParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 1:
        particle_spawn.group_def.setColor(color(100, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_viscousParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 2:
        particle_spawn.group_def.setColor(color(0, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_tensileParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 3:
        particle_spawn.group_def.setColor(color(60, hsb_s * 0.5f, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_powderParticle | COLOR_MIX;
        particle_spawn.group_def.groupFlags = 0;
        break;
      case 4:
        particle_spawn.group_def.setColor(color(330, hsb_s, hsb_b));
        particle_spawn.group_def.flags = ParticleType.b2_wallParticle;
        particle_spawn.group_def.groupFlags = ParticleGroupType.b2_solidParticleGroup;
        particle_spawn.join_groups = true;
        particle_spawn.setCircleShape(20);
        break;
    }
    
    colorMode(RGB, 255);

  }
 

import org.jbox2d.particle.ParticleType; //导入依赖的package包/类
public void initScene() {
    
    float dimx = world.transform.box2d_dimx;
    float dimy = world.transform.box2d_dimy;

    Vec2 ankerA = new Vec2();
    Vec2 ankerB = new Vec2();
    
    createChain(ankerA.set(-10, 10), ankerB.set(+15, 10), 0.5f, 0.5f);
    createChain(ankerA.set(-10, 15), ankerB.set(-30, 20), 0.5f, 0.5f);
    createChain(ankerA.set(-24,24), ankerB.set(24,26), 0.5f, 0.5f);
    


    
    emitter0 = new DwParticleEmitter(world, world.transform);
    emitter1 = new DwParticleEmitter(world, world.transform);
    emitter2 = new DwParticleEmitter(world, world.transform);
    emitter3 = new DwParticleEmitter(world, world.transform);
    
    
    int flags = 0;
    flags |= ParticleType.b2_waterParticle;
    flags |= ParticleType.b2_viscousParticle;
//    flags |= ParticleType.b2_colorMixingParticle;
    

    float hsb_s = 100;
    float hsb_b = 100;
    colorMode(HSB, 360, 100, 100);
    
    emitter0.setInScreen( 100, 100, 200,  -40, color(  5, hsb_s, hsb_b), flags);
    emitter1.setInScreen( 50,   50, 200,   0, color( 20, hsb_s, hsb_b), flags);
    emitter2.setInScreen(1000, 100, 300, -175, color(115, hsb_s, hsb_b), flags);
    emitter3.setInScreen(1100, 700, 400,  120, color(230, hsb_s, hsb_b), flags);
    
    colorMode(RGB, 255);

  }