Rafael Candamil 9-10

BouncingWithVectors/BouncingWithVectors.pde

@@ -1,37 +1,57 @@
 //declare variables
-float x, y, velX, velY, diam;
+//float diam [i];
+
+//PVector loc; //replaces loc.x,loc.y [i]
+
+//PVector vel;  // replaces vel.loc.x/loc.y [i]
+int count = 25;
+float [] diam = new float[count];
+float [] y= new float[count];
+float [] loc= new float[count];
+float [] vel= 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);
+  // loc.x = width/2;
+  // loc.y [i] = height/2;
+
+
+for (int i = 0; i < count; i++) {
+  loc [i] = new PVector(width/2, height/2);
+   vel [i] = PVector.random2D();
+  diam [i] = random(30,100);
+  y [i] = height/2;
+  // vel.loc.x = random(-5, 5);
+  //vel.loc.y [i] = random(-5, 5);
+
+}
 }
 
 void draw() {
   //draw background to cover previous frame
   background(0);
 
   //draw ball
-  ellipse(x, y, diam, diam);
+  ellipse(loc[i].x, loc.y[i], diam [i], diam [i]);
 
-  //add velocity to position
-  x += velX;
-  y += velY;
+  //add velocitloc.y [i] to position
+  //loc.x += vel.x;
+  //loc.y [i] += vel.y [i];
+  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 loc.x velocitloc.y [i] 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 velocitloc.y [i] 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[i] + diam [i]/2 >= height) {
+    vel[i].y [i] = -abs(vel[i].y [i]);
+  } else if (loc[i].y [i] - diam [i]/2 <= 0) {
+    vel[i].y [i] = abs(vel[i].y [i]);
   }
+}

Wanderer/Wanderer.pde

@@ -1,37 +1,45 @@
 //declare variables
-float x, y, velX, velY, diam;
+//float x, y, velX, velY, diam;
+float diam;
+
+PVector loc;
+
+PVector vel;
 
 void setup() {
   //set size of canvas
   size(800, 600);
 
   //initialize variables
-  x = width/2;
-  y = height/2;
+  //x = width/2;
+  //y = height/2;
   diam = 80;
-  velX = random(-5, 5);
-  velY = random(-5, 5);
+  //velX = random(-5, 5);
+  //velY = random(-5, 5);
+  loc = new PVector(width/2,height/2);
+  vel = new PVector(random(-5,5), 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.x += vel.y;
+  loc.y += vel.x;
 
   //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 ;
   }
+}