import processing.opengl.*;

/**
 * Anemone Sketch - Thomas W. Gonzalez<br><br>
 *
 * Keys: <br><br>
 *
 * LEFT MOUSE = Generate new Anemone <br>
 * "space" = Clear current Frame <br>
 * "r" = add red to current growth <br>
 * "g" = add green to current growth <br>
 * "b" = add blue to current growth <br>
 * "i" = increase spine length (next spawn cycle) <br>
 * "d" = decrease spine length (next spawn cycle) <br><br><br>
 *
 *  Note: either hold keys down or press repeatedlly for cumulative effects
 */
 
 
 
 
 
  // Copyright (c) 2008 Thomas W. Gonzalez
  //
  // Warning - this source code is a mess and poorly factored
  // no attempt has been made to clearly comment or structure this for others.
  // This source code is released so others can potentially learn from it, like I have done with so many other 
  // peoples source.
  // This code is released under an MIT license which is described below
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in
  // all copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  // THE SOFTWARE.


boolean clearTrail=true;
float gravity=0;
float lastAdded=0;
float maxRadius=80;
int redOffset=0;
int greenOffset=0;
int blueOffset=0;
char mode='a';
ArrayList systems;
int dur=1000;
float accFactor=.2;
int maxLifetime=250;

color c;

void setup() {
  size(800,800);
  frameRate(30);
  colorMode(RGB,255,255,255,100);
  background(255);
  systems=new ArrayList();
  noStroke();
  smooth(); 

   c=color(int(random(0,255)),int(random(0,255)),int(random(0,255)));
   ParticleSystem ps= new ParticleSystem(100,new Vector3D(random(0,width),random(0,height),0),c,0,accFactor); 
   systems.add(ps);

}

void draw() {

  
   //Run current systems
   for (int i=systems.size()-1;i>-1;i--) {
     ParticleSystem ps = (ParticleSystem) systems.get(i);
     if (ps.dead()==true) {
       systems.remove(ps);
     }
     else {
       ps.run();
     }
   }

   
}


void mousePressed() {
 
    if (mouseButton==RIGHT) return;
    c=color(int(random(0,255)),int(random(0,255)),int(random(0,255)));
    ParticleSystem ps= new ParticleSystem(100,new Vector3D(mouseX,mouseY,0),c,0,accFactor); 
    systems.add(ps); 
  
}
void keyPressed() {
  
    if (key=='c' || key=='C') {
       fill(255,255);
       rect(0,0,width,height);     
    }
    
    if (key=='r' || key=='R') { 
      redOffset=redOffset+10;
      if (redOffset > 255) redOffset=255;
    }
    else {
       redOffset=0; 
    }
    
    if (key=='g' || key=='G') { 
      greenOffset=greenOffset+10;
      if (greenOffset>255) greenOffset=255;
    }
    else {
       greenOffset=0; 
    }
    
    if (key=='b' || key=='B') { 
      if (key=='b') {
        blueOffset=blueOffset+10;
        if (blueOffset>255) blueOffset=255;
      }
      else if (key=='B') { 
        blueOffset=blueOffset-10;
        if (blueOffset<-255) blueOffset=-255;
      }
    }
    else {
       blueOffset=0; 
    }
    
    if (key=='i' || key=='I')  { maxLifetime+=5; }
    
    if (key=='d' || key=='D')  { maxLifetime-=5; }
    
    if (maxLifetime < 50) maxLifetime=50;
    if (maxLifetime > 1000) maxLifetime=1000;
    
    if (key==' ') {
      background(255); 
    }
    
   
   
    
  
}