Steam Engine Simulation - OpenProcessing

sketch372916
xxxxxxxxxx
 
PVector weld;
float rot;
int run = 1, frames=30;
​
void setup() {
  size(1200, 1200);
  weld = new PVector(350, 400);
  frameRate(30);
  strokeWeight(5);
}
​
void draw() {
  translate(350, 0);
​
  if (run==1) {
    background(#aaaaaa);
    translate(550, 500);
    rot = atan2(weld.x, weld.y);
    translate(-550, -500);
​
    pushMatrix();
    translate(550, 500);
    rotate(-rot+radians(12));
    translate(-550, -500);
    ellipse(550, 500, 500, 500);
    line(550, 500, 550, 250);
    line(550, 500, 300, 500);
    line(550, 500, 550, 750);
    line(550, 500, 800, 500);
    ellipse(550, 500, 4, 4);
    popMatrix();
​
    weld.set(150*cos(((frameCount%7200)*0.05)), 150*sin(((frameCount%7200)*0.05)));
​
    line(weld.x-150, 500, weld.x+150, 500);
    line(weld.x-150, 450, weld.x-150, 550);
    line(weld.x+150, 500, weld.x+550, weld.y+500);
​
    translate(550, 500);
    line(20*cos(((frameCount%7200)*0.05)+90), 20*sin(((frameCount%7200)*0.05)+90), 20*cos(((frameCount%7200)*0.05)+90)-500, -75);
    line(20*cos(((frameCount%7200)*0.05)+90)-500, -75, 20*cos(((frameCount%7200)*0.05)+90)-500-180, -75);
    strokeWeight(10);
    line(20*cos(((frameCount%7200)*0.05)+90)-500-180, -75, 20*cos(((frameCount%7200)*0.05)+90)-500-180-35, -75);
    strokeWeight(5);
    translate(-550, -500);
​
    line(50-350, 450, 350-350, 450);
    line(50-350, 550, 350-350, 550);
    line(-300, 550, -320, 450);
    line(0, 550, 30, 505);
    line(20, 450, 30, 495);
    line(-320, 440, -320, 450);
    line(20, 440, 20, 450);
    line(-150, 450, -150, 430);
    line(-320, 440, -170, 430);
    line(20, 440, -130, 430);
  }
​
  if (run==-1) {
    frameCount-=1;
  }
​
  fill(0, 255, 0);
  rect(300, 20, 240, 150);
  rect(240, 20, 50, 70);
  rect(240, 100, 50, 70);
  textSize(40);
  fill(0);
  text("Start/Stop", 330, 100);
  line(250, 60, 265, 40);
  line(280, 60, 265, 40);
  line(250, 130, 265, 150);
  line(280, 130, 265, 150);
  fill(255);
}
​
void mouseClicked() {
  if (mouseX>=300+350&&mouseX<=540+350&&mouseY>=20&&mouseY<=170) {
    run*=-1;
  }
​
  if (mouseX>=240+350&&mouseX<=290+350&&mouseY>=20&&mouseY<=90) {
    frameRate(frames+5);
    frames+=5;
  }
​
  if (mouseX>=240+350&&mouseX<=290+350&&mouseY>=100&&mouseY<=170) {
    frameRate(frames-5);
    frames-=5;
  }
}