diff --git a/BouncingWithVectors/BouncingWithVectors.pde b/BouncingWithVectors/BouncingWithVectors.pde index 2683b50..dec24e3 100644 --- a/BouncingWithVectors/BouncingWithVectors.pde +++ b/BouncingWithVectors/BouncingWithVectors.pde @@ -1,16 +1,23 @@ //declare variables -float x, y, velX, velY, diam; +int count = 50; +float []diam = new float [count]; +//float x, y +PVector []loc = new PVector[count]; +//float velX, velY +PVector []vel = new PVector[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 ++) { + loc[i] = new PVector (width/2, height/2); + diam[i] = random(0,100); + vel[i] = PVector.random2D(); + vel[i].mult(5); + } } void draw() { @@ -18,20 +25,22 @@ void draw() { background(0); //draw ball - ellipse(x, y, diam, diam); + for(int i = 0; i < count; i++){ + ellipse(loc[i].x, loc[i].y, diam[i], diam[i]); //add velocity to position - x += velX; - y += velY; + loc[i].add(vel[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 (loc[i].x + diam[i]/2 >= width) { + vel[i].x = -abs(vel[i].x); //if the ball hits the right wall, assign x velocity the negative version of itself + } else if (loc[i].x - diam[i]/2 <= 0) { + vel[i].x = abs(vel[i].x); //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); + if (loc[i].y + diam[i]/2 >= height) { + vel[i].y = -abs(vel[i].y); + } else if (loc[i].y - diam[i]/2 <= 0) { + vel[i].y = abs(vel[i].y); } +} +} \ No newline at end of file diff --git a/Wanderer/Wanderer.pde b/Wanderer/Wanderer.pde index b6ce247..c93c970 100644 --- a/Wanderer/Wanderer.pde +++ b/Wanderer/Wanderer.pde @@ -1,37 +1,62 @@ //declare variables -float x, y, velX, velY, diam; +float diam; +float diam1; +PVector loc; +PVector vel; + +PVector acc; + void setup() { //set size of canvas size(800, 600); - + colorMode(HSB, 360, 100, 100, 100); //initialize variables - x = width/2; - y = height/2; + loc = new PVector (width/2, height/2); + + vel = new PVector( 5, 3); + vel.mult(0); + acc = PVector.random2D(); + acc.mult(.1); + + diam = 80; - velX = random(-5, 5); - velY = random(-5, 5); + diam1 = 20; } void draw() { //draw background to cover previous frame - background(0); + //background(0); + + + fill (frameCount%360, 20, 100); + stroke(frameCount%360, 80, 100); + acc = PVector.random2D(); + acc.mult(.1); + //draw ball - ellipse(x, y, diam, diam); + ellipse(loc.x, loc.y, diam, diam); + fill (0); + ellipse(loc.x - 15, loc.y - 15, diam1, diam1); + ellipse(loc.x + 15, loc.y - 15, diam1, diam1); + + //add velocity to position - x += velX; - y += velY; + vel.add(acc); + vel.limit(1); + loc.add(vel); //wrap the ball's position - if (x + diam/2 >= width) { - x = -diam/2; - } else if (x - diam/2 <= 0) { - x = width + diam/2; + if (loc.x >= width) { + loc.x = 0; + } else if (loc.x <= 0) { + loc.x = width; } - if (y + diam/2 >= height) { - y = -diam/2; - } else if (y - diam/2 <= 0) { - y = height + diam/2; + if (loc.y >= height) { + loc.y = 0; + } else if (loc.y <= 0) { + loc.y = height; } +} \ No newline at end of file