26. November 2010

In der zweiten Lektion wurden die Themen; Framework, Funktionen(Void), Funktionsparameter, Animation, Bedingungen und Keyboardevents eingeführt. Anschliessend wurden die neu eingeführten Themen anhand einer Smiley-Übung angewendet. Hier noch der Code: static int SMILEY_DEFAULT  = 1<<0;static int SMILEY_SAD      = 1<<1;static int SMILEY_DRUNK    = 1<<2;static int SMILEY_ANGRY    = 1<<4;static int SMILEY_OLD      = 1<<5;static int SMILEY_ASTOUND  = 1<<6;static int SMILEY_SLEEPY   = 1<<7;static int SMILEY_HORNY    = 1<<8;static int SMILEY_PANIC    = 1<<9; int smileyType = SMILEY_DEFAULT; void setup(){  size(400,400);      // def. fenstergroesse smooth();           // aktiviere antialiasing  strokeWeight(15);    // linienbreite} void draw(){  background(255);    // def. hintergrundfarbe pushMatrix();    translate(width * .5,width * .5);    smiley(smileyType);          // funtions aufruf  popMatrix(); } void keyPressed(){  switch(key)  {  case '1':    smileyType = SMILEY_DEFAULT;    break;  case '2':    smileyType = SMILEY_SAD;    break;  case '3':    smileyType = SMILEY_DRUNK;    break;  case '4':    smileyType = SMILEY_PANIC;    break;  }} // funktionvoid smiley(int smileyType){  // kopf  noFill();  rect(-90,-90,180,180);  // kopf // augen  fill(0);  if((smileyType & SMILEY_SAD) > 0)  {    ellipse(0 - 30,0 - 30,30,5);  // linkes augen    ellipse(0 + 30,0 - 30,20,5);  // rechtes augen  }  else if((smileyType & SMILEY_DRUNK) != 0)  {    line(-40,-40,-15,-10);    line(-40,-10,-15,-40); line(50,-40,10,-10);    line(50,-10,10,-40);  }  else if((smileyType & SMILEY_DRUNK) != 0)  {    line(-40,-40,-15,-10);    line(-40,-10,-15,-40); line(50,-40,10,-10);    line(50,-10,10,-40);  }  else  {    ellipse(0 - 30,0 - 30,30,20);  // linkes augen    ellipse(0 + 30,0 - 30,20,30);  // rechtes augen  } // mund  noFill();  if((smileyType & SMILEY_SAD) != 0)    arc(0,60,100,100,radians(180+20),radians(360-20));  // mund  else if((smileyType & SMILEY_DRUNK) != 0)  {    line(-50,20,50,20);    arc(-10,15,50,70,radians(20),radians(180-20));  // mund  }  else    arc(0,0,100,100,radians(20),radians(180-20));  // mund      // hut  fill(0);  if((smileyType & SMILEY_SAD) > 0)  {    int offsety = 20;     triangle(-110,-90+offsety,110,-90+offsety,0,-200+offsety); //hut  }  else if((smileyType & SMILEY_DRUNK) != 0)  {    triangle(-120,-80,110,-90,0,-150);  //hut  }  else  {    triangle(-110,-90,110,-90,0,-180);  //hut  } }