MSamuels_Wanderer2

BouncingWithVectors/BouncingWithVectors.pde

@@ -1,37 +1,41 @@
 //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() {
   //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;
+  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);
   }
+}

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;
   }
+}