diff --git a/BouncingWithVectors/BouncingWithVectors.pde b/BouncingWithVectors/BouncingWithVectors.pde index 2683b50..ef57187 100644 --- a/BouncingWithVectors/BouncingWithVectors.pde +++ b/BouncingWithVectors/BouncingWithVectors.pde @@ -1,37 +1,49 @@ +int count = 80; //makes 60 balls + //declare variables -float x, y, velX, velY, diam; + +float [] diam = new float [count]; //diameter + + +//float loc.x, loc.y +PVector [] loc = new PVector [count]; +PVector [] vel = new PVector [count]; // replaces x,y, vel[i]x, vel[i]y, + 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 ++) { //for arrays + //initialize variables + loc [i] = new PVector (random(350,450), height/2); //starts ellipse off in a random position from 350-450, middle of screen + vel[i] = PVector.random2D(); //gives speed magnitude of one + vel[i].mult(random(5,8)); //increased speed + diam [i] = random(3,88); //diameter + } } void draw() { //draw background to cover previous frame background(0); + for (int i = 0; i < count; i ++) { //for arrays + strokeWeight(3); // increased stroke weight + stroke(random(206), random(235), random(245)); //gives random stroke + //draw ball + ellipse(loc[i].x, loc[i].y, diam[i], diam[i]); - //draw ball - ellipse(x, y, diam, diam); + //add vel[i]ocitloc.y to position + loc[i].add(vel[i]); - //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); + //bounce ball if it hits walls + if (loc[i].x + diam[i]/2 >= width) { + vel[i].x = -abs(vel[i].x); //if the ball hits the right wall, assign loc.x vel[i]ocitloc.y 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 loc.x vel[i]ocitloc.y the positive version of itself + } + 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..29ffeac 100644 --- a/Wanderer/Wanderer.pde +++ b/Wanderer/Wanderer.pde @@ -1,37 +1,53 @@ +int count = 8; + //declare variables -float x, y, velX, velY, diam; +PVector [] loc = new PVector [count]; +PVector [] vel = new PVector [count]; +PVector [] a = new PVector [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++) { + //initialize variables + loc [i] = new PVector (random(width), random(height)); + diam [i] = random(10, 80); + vel[i] = PVector.random2D(); + vel[i].mult(1); + + } } void draw() { - //draw background to cover previous frame - background(0); + for (int i = 0; i < count; i ++) { + println("x" + i + " = " + loc[i].x + ", y" + i + " = " + loc[i].y); + //draw background to cover previous frame + background(204, 240, 229); + stroke(random(237), random(250), random(246)); + strokeWeight(3); - //draw ball - ellipse(x, y, diam, diam); + //draw ball + ellipse(loc[i].x, loc[i].y, diam[i], diam[i]); + a[i] = PVector.random2D(); + a[i].mult(0.1); - //add velocity to position - x += velX; - y += velY; + //add velocity to position + loc[i].add(vel[i]); + vel[i].add(a[i]); + vel[i].limit(10); //limits velocity to - //wrap the ball's position - if (x + diam/2 >= width) { - x = -diam/2; - } else if (x - diam/2 <= 0) { - x = width + diam/2; - } - if (y + diam/2 >= height) { - y = -diam/2; - } else if (y - diam/2 <= 0) { - y = height + diam/2; + + //wrap the ball's position + if (loc[i].x >= width) { + loc[i].x = 0; + } else if (loc[i].x <= 0) { + loc[i].x = width ; + } + if (loc[i].y >= height) { + loc[i].y = 0; + } else if (loc[i].y <= 0) { + loc[i].y = height ; + } } +} \ No newline at end of file