diff --git a/BouncingWithVectors/BouncingWithVectors.pde b/BouncingWithVectors/BouncingWithVectors.pde index 2683b50..141b460 100644 --- a/BouncingWithVectors/BouncingWithVectors.pde +++ b/BouncingWithVectors/BouncingWithVectors.pde @@ -1,16 +1,17 @@ //declare variables -float x, y, velX, velY, diam; +float diam; +PVector loc; //declare loc, replaces x and y +PVector vel; //declare vel, replaces velx and vely 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); + loc = new PVector(width/2, height/2); +vel = PVector.random2D(); //random vector - speed of ball stays the same while direction changes +vel.mult(10); //multiply vector by 10 - random direction with magnitude of 10 +diam = 80; } void draw() { @@ -18,20 +19,20 @@ void draw() { background(0); //draw ball - ellipse(x, y, diam, diam); + ellipse(loc.x, loc.y, diam, diam); //loc.x is the x component of loc - //add velocity to position - x += velX; - y += velY; + //add velocity to position using vector addition - add vel vector to loc vector + loc.add(vel); //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.x + diam/2 >= width) { + vel.x = -abs(vel.x); //if the ball hits the right wall, assign x velocity the negative version of itself + } else if (loc.x - diam/2 <= 0) { + vel.x = abs(vel.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.y + diam/2 >= height) { + vel.y = -abs(vel.y); + } else if (loc.y - diam/2 <= 0) { + vel.y = abs(vel.y); } +} \ No newline at end of file diff --git a/Wanderer/Wanderer.pde b/Wanderer/Wanderer.pde index b6ce247..f410bba 100644 --- a/Wanderer/Wanderer.pde +++ b/Wanderer/Wanderer.pde @@ -1,37 +1,64 @@ //declare variables -float x, y, velX, velY, diam; + +int count=30; +float[] diam = new float[count]; +PVector[] loc = new PVector[count]; +PVector[] vel = new PVector[count]; +PVector[]acc = 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); +int i=0; +while(i= width) { - x = -diam/2; - } else if (x - diam/2 <= 0) { - x = width + diam/2; + if (loc[i].x >= width) { + loc[i].x = -loc[i].x; + } else if (loc[i].x <= 0) { + loc[i].x = -loc[i].x; } - if (y + diam/2 >= height) { - y = -diam/2; - } else if (y - diam/2 <= 0) { - y = height + diam/2; + if (loc[i].y+diam[i]/2 >= height) { + loc[i].y = -loc[i].y; + } else if (loc[i].y+diam[i]/2 <= 0) { + loc[i].y = -loc[i].y; } + + i++; +} +} \ No newline at end of file