diff --git a/BouncingWithVectors/BouncingWithVectors.pde b/BouncingWithVectors/BouncingWithVectors.pde index 2683b50..1ab4eb1 100644 --- a/BouncingWithVectors/BouncingWithVectors.pde +++ b/BouncingWithVectors/BouncingWithVectors.pde @@ -1,16 +1,20 @@ //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; + loc = new PVector(width/2,height/2); + vel= PVector.random2D(); + vel.mult(10); diam = 80; - velX = random(-5, 5); - velY = random(-5, 5); } void draw() { @@ -18,20 +22,20 @@ void draw() { background(0); //draw ball - ellipse(x, y, diam, diam); + ellipse(loc.x, loc.y, diam, diam); //add velocity to position - x += velX; - y += velY; + 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..865d3a1 100644 --- a/Wanderer/Wanderer.pde +++ b/Wanderer/Wanderer.pde @@ -1,37 +1,51 @@ //declare variables -float x, y, velX, velY, diam; +float diam; +PVector loc, vel, acc; void setup() { //set size of canvas - size(800, 600); + size(1500, 800); + background(0); + colorMode( HSB, 360,100,100,100); + - //initialize variables - x = width/2; - y = height/2; - diam = 80; - velX = random(-5, 5); - velY = random(-5, 5); + //initialize PVectors + loc = new PVector(width/2, height/2); + vel = new PVector(0,0); + acc=PVector.random2D(); + //acc.mult(0.0001); + + + diam=80; + //noStroke(); } void draw() { + frameRate(1000); + fill(frameCount%360,60,100); + acc=PVector.random2D(); //draw background to cover previous frame - background(0); + //draw ball - ellipse(x, y, diam, diam); + ellipse(loc.x, loc.y, diam, diam); - //add velocity to position - x += velX; - y += velY; +// add acc to vel +vel.add(acc); +vel.limit(4); + //add velocity to position + 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