diff --git a/GravityBallCode/GravityBallCode.pde b/GravityBallCode/GravityBallCode.pde index df2493b..58d6bae 100644 --- a/GravityBallCode/GravityBallCode.pde +++ b/GravityBallCode/GravityBallCode.pde @@ -1,38 +1,57 @@ //declare variables -float x, y, velX, velY, diam; +int count = 70; + +float[] x = new float[count]; +float[] y = new float[count]; +float[] velX = new float[count]; +float[] velY = new float[count]; +float[] gravity = new float[count]; +float[] diam = new float[count]; + void setup() { //set size of canvas size(800, 600); - //initialize variables - x = width/2; - y = height/2; - diam = 80; - velX = random(-5, 5); - velY = random(-5, 5); + + for(int i = 0; i < count; i++) { + x[i] = width/2; + y[i] = height/2; + diam[i] = 80; + velX[i] = random(-5, 5); + velY[i] = random(-5, 5); + gravity[i] = .5; + i++; + } + + } void draw() { //draw background to cover previous frame background(0); + for (int i = 0; i < count; i++) { - //draw ball - ellipse(x, y, diam, diam); - //add velocity to position - x += velX; - y += velY; + //draw ball + ellipse(x[i], y[i], diam[i], diam[i]); - //bounce ball if it hits walls - if (x + diam/2 >= width) { - velX = -abs(velX); //if the ball hits the right wall, assign x velocity the negative version of itself - } else if (x - diam/2 <= 0) { - velX = abs(velX); //if the ball hits the left wall, assign x velocity the positive version of itself - } - if (y + diam/2 >= height) { - velY = -abs(velY); - } else if (y - diam/2 <= 0) { - velY = abs(velY); + //add velocity to position + velY[i]+=gravity[i]; + x[i] += velX[i]; + y[i] += velY[i]; + + //bounce ball if it hits walls + if (x[i] + diam[i]/2 >= width) { + velX[i] = -abs(velX[i]); //if the ball hits the right wall, assign x velocity the negative version of itself + } else if (x[i] - diam[i]/2 <= 0) { + velX[i] = abs(velX[i]); //if the ball hits the left wall, assign x velocity the positive version of itself + } + if (y[i] + diam[i]/2 >= height) { + y[i] = height-diam[i]/2; //SAAAAM MOOOOOOOYY + velY[i] = -abs(velY[i]); + } else if (y[i] - diam[i]/2 <= 0) { + velY[i] = abs(velY[i]); + } } } \ No newline at end of file