diff --git a/GravityBallCode/GravityBallCode.pde b/GravityBallCode/GravityBallCode.pde index df2493b..5697bdb 100644 --- a/GravityBallCode/GravityBallCode.pde +++ b/GravityBallCode/GravityBallCode.pde @@ -1,16 +1,27 @@ //declare variables -float x, y, velX, velY, diam; +float gravity; +int count = 30; +float[] x = new float[count]; +float[] y = new float[count]; +float[] velX = new float[count]; +float[] velY = new float[count]; +float[] diam = new float[count]; +color[] cColor = new color[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++) { + //initialize variables + x[i] = width/2; + y[i] = height/2; + diam[i] = 80; + velX[i] = random(-5, 5); + velY[i] = random(-5, 5); + cColor[i] = color(255); + } + gravity = 1; } void draw() { @@ -18,21 +29,32 @@ void draw() { background(0); //draw ball - ellipse(x, y, diam, diam); - - //add velocity to position - x += velX; - y += velY; - - //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); + for(int i = 0; i < count; i++) { + fill(cColor[i]); //fill the circle color + ellipse(x[i], y[i], diam[i], diam[i]); + + //add velocity + velY[i] += gravity; + + //add velocity to position + x[i] += velX[i]; + y[i] += velY[i]; + + if(dist(x[i],y[i],mouseX, mouseY) <= diam[i]/2) { //if mouse is in the circle (if the distance between mouse and center is less than the radius) + cColor[i] = color(random(255),random(255),random(255)); + } + + //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) { + velY[i] = -abs(velY[i]+gravity); //to make it avoid sinking since one frame is skipped + //y[i] = height - diam[i]; + } else if (y[i] - diam[i]/2 <= 0) { + velY[i] = abs(velY[i]); + } } } \ No newline at end of file diff --git a/quicksketch.png b/quicksketch.png new file mode 100644 index 0000000..f9e6ccb Binary files /dev/null and b/quicksketch.png differ