EWang_Functions

ReturningValues/ReturningValues.pde

@@ -1 +1,41 @@
+//Declare variables
+float x, y, varx, vary, timer; 
+boolean trigger = false; //sets when a certain  
 
+
+void setup () {
+  background(0);
+  size(800, 600);
+}
+
+void draw () {
+  if (trigger == false) {
+    String answer = drawATriangle();
+    textSize(20);
+    fill(random(255), random(255), random(255));
+    text(answer, 50, 35);
+  }
+  timer+=1;
+  if (timer >= 100) {
+    timer = 0;
+    trigger = false;
+    background(0);
+  }
+}
+
+String drawATriangle() {
+  float x = 50;
+  float y = 50;
+  float varx = random(550);
+  float vary = random(400);
+  fill(random(255), random(255), random(255));
+  triangle(x, y, x, y+vary, x+varx, y+vary);
+  trigger = true;
+  return calculateHyp(varx, vary);
+}
+
+String calculateHyp(float varx, float vary) {
+  float hyp = sqrt(sq(varx) + sq(vary));
+  String s = "The length of the hypotenuse is " + hyp;
+  return s;
+}

VoidFunctions/VoidFunctions.pde

@@ -1 +1,69 @@
+PVector loc, vel;
 
+void setup() {
+  size(800, 600);
+
+  loc = new PVector (width/3, height/2);
+  vel = new PVector (random(10), random (10));
+  loc.add(vel);
+}
+
+void draw() {
+  background(0);
+  drawABlueSquare();
+  drawACircle();
+  if (mousePressed) {
+    drawADuck();
+  }
+}
+
+void drawABlueSquare() {
+  fill(5, 227, 255, 80);
+  rect(width/2, height/2, 50, 50);
+}
+
+void drawACircle() {
+  fill(random(255), mouseY, mouseX, 70);
+  ellipse(mouseX, mouseY, 30, 30);
+}
+
+void drawADuck() {
+  loc.add(vel);
+  //Body
+  fill(235, 235, 0);
+  stroke(240, 230, 140);
+  ellipse(loc.x, loc.y, 50, 50);
+  arc(loc.x+50, loc.y+20, 70, 75, 0, PI);
+
+  stroke(0, 0, 0);
+  arc(loc.x+50, loc.y+35, 25, 20, 0, PI);
+
+  //Legs & mouth
+  stroke(255, 162, 0);
+  strokeWeight(2);
+  line(loc.x+48, loc.y+58, loc.x+43, loc.y+70);
+  line(loc.x+58, loc.y+58, loc.x+66, loc.y+70);
+  triangle(loc.x+36, loc.y+74, loc.x+43, loc.y+70, loc.x+46, loc.y+77);
+  triangle(loc.x+64, loc.y+77, loc.x+66, loc.y+70, loc.x+73, loc.y+74);
+  triangle(loc.x-20, loc.y+15, loc.x-35, loc.y+10, loc.x-25, loc.y);
+
+  //Eye
+  fill(0, 0, 0);
+  noStroke();
+  ellipse(loc.x-7, loc.y-3, 5, 5);
+
+  //Movement
+  if (loc.x>= width) {
+    vel.x = -abs(vel.x);   
+  } else if (loc.x <= 0) {
+    vel.x = abs(vel.x);     
+  }
+  if (loc.y >= height) {
+    vel.y = -abs(vel.y);    
+  } else if (loc.y <= 0) {
+    vel.y = abs(vel.y);     
+  }
+}
+
+
+//dataType name(parameters) {block of code}