GMU:Einführung ins Programmieren mit Processing/final/Groving Ivy: Difference between revisions

GMU:Einführung ins Programmieren mit Processing/final/Groving Ivy (view source)

Revision as of 18:17, 17 December 2011

3,258 bytes added , 17 December 2011

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Ktrin

124

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 == PROGRAM ==
+=== sketches ===
+==== ivy leave ====
+<syntaxhighlight lang="cpp">
+void setup() {
+  size(500, 500);
+  background(255);
+  smooth();
+  stroke(55);
+  strokeWeight(0.25);
+  frameRate(15);
+}
+void draw() {
+  background(0);
+  for (int i = 0; i < 5; i++) {
+    pushMatrix();
+    for (int j = 0; j < 5; j++) {
+      float colorFactor = calculateColorFactor(random(1.5, 3.5));
+      ivyLeave(colorFactor);
+      translate(80, 0);
+    }
+    popMatrix();
+    translate(0, 80);
+  }
+  float timeInSeconds = millis()/1000;
+  if (timeInSeconds % 5 == 0) {
+    println("five seconds have passed");
+  }
+}
+void ivyLeave(float colorFactor) {
+  fill(colorFactor*10, 50);
+  noStroke();
+  triangle(50, 120, 100, 40, 150, 120);
+  pushMatrix();
+  rotate(150);
+  translate(-62, 20);
+  triangle(15, 130, 40, 70, 65, 130);
+  popMatrix();
+  pushMatrix();
+  rotate(-150);
+  translate(125, -125);
+  triangle(15, 130, 40, 70, 65, 130);
+  popMatrix();
+}
+float calculateColorFactor(float r) {
+  float newColor = r*10;
+  return newColor;
+}
+</syntaxhighlight>
+==== ivy leave 2 ====
+<syntaxhighlight lang="cpp">
+void setup() {
+  size(500, 500);
+  background(0);
+  smooth();
+  stroke(55);
+  strokeWeight(0.25);
+  frameRate(15);
+}
+void draw() {
+  //background(0);
+  //fill(0,50);
+  //rect(0,0,width,height);
+  if (mousePressed == true) {
+    variableIvyLeave();
+  }
+}
+void ivyLeave() {
+  //noStroke();
+  fill(150, 50);
+  pushMatrix();
+  translate(-50, -120);
+  triangle(50, 120, 100, 40, 150, 120);
+  pushMatrix();
+  rotate(150);
+  translate(-62, 20);
+  triangle(15, 130, 40, 70, 65, 130);
+  popMatrix();
+  pushMatrix();
+  rotate(-150);
+  translate(125, -125);
+  triangle(15, 130, 40, 70, 65, 130);
+  popMatrix();
+  popMatrix();
+}
+void variableIvyLeave() {
+  pushMatrix();
+  translate(mouseX, mouseY);
+  ivyLeave();
+  popMatrix();
+}
+</syntaxhighlight>
+==== ivy leave 3 ====
+<syntaxhighlight lang="cpp">
+float x = 0;
+float y = 0;
+float speedX;
+float speedY;
+float velocityX = 1.0;
+float velocityY = 1.0;
+//--------------------------
+void setup(){
+  size(500,500);
+  background(0);
+  smooth();
+  frameRate(15);
+}
+void draw(){
+  background(0);
+  speedX = random(-3, 5);
+  speedY = random(-5, 5);
+  variableIvyLeave(x,y);
+  float timeInSeconds = millis()/1000;
+  if (timeInSeconds % 1 == 0) {
+    variableIvyLeave(x,y);
+  }
+  if ((x > width) || (x < 0)) {
+    speedX = abs(speedX);
+    velocityX = -velocityX;
+  }
+  if ((y > height) || (y < 0)) {
+    speedY = abs(speedY);
+    velocityY = -velocityY;
+  }
+  x += speedX * velocityX;
+  y += speedY * velocityY;
+}
+//---------------------------------------
+void ivyLeave(){
+  stroke(55);
+  strokeWeight(0.25);  fill(250,60);
+  //triangle large
+  triangle(50,120, 100,40, 150,120);
+  //triangle small left
+  pushMatrix();
+  rotate(150);
+  translate(-62,20);
+  triangle(15,130, 40,70, 65,130);
+  popMatrix();
+  //triangle small right
+  pushMatrix();
+  rotate(-150);
+  translate(125,-125);
+  triangle(15,130, 40,70, 65,130);
+  popMatrix();
+}
+void variableIvyLeave(float x, float y){
+  pushMatrix();
+  translate(x,y);
+  x += random(1,9);
+  y += random(1,11);
+  ivyLeave();
+  popMatrix();
+}
+</syntaxhighlight>
+==== ivy leave 4 ====
+[[File:Processing_einfuehrung_julia_ivy4.zip|Download SketchFolder]]
+=== final version ===
 [[File:Processing_einfuehrung_julia_all.zip|Download SketchFolder]]