How to scale/translate a picture ?

PingouinMazo

Hi there ! Just new on Processing, i was wondering about how can i do to translate a picture, but on the Z-axis !! I can move it on X and Y, but it can't find out for the Z-axis :(

Here's my code :

PImage img3; float i = 1;

void setup(){

size(1000,1000,P3D); background(0,0,0); img3 = loadImage("logo.png");

} void draw(){

scale(1,1,i); imageMode(CENTER);
image(img3,width/2,height/2); i = i/2;

}

I'm sorry if it's an easy question, but i've tried a lot of things, like scale and translate : i just succeeded with some text, but i can't find out for a picture !

Thanks for your replies !!

_vk

Perhaps you want translate?

PImage img3; 

void setup() {
  size(1000, 1000, P3D); 
  background(0); 
  img3 = loadImage("http:"+"//propmark.com.br/static/upload/2015/12/5671e416a970a-5671e42366126-980x480.jpg");
} 
void draw() {
  background(0);
  pushMatrix();
  translate(width/2, height/2, -600);
  rotateY(radians(35));
  box(500);
  popMatrix();

  if (img3 != null) {
    imageMode(CENTER);
    translate(0, 0, frameCount*-1);
    image(img3, width/2, height/2);
  }
}

PingouinMazo

Hi man, thanks so much for quickly replying ! And it actually works : my bad was to not really study the pushMatrix and popMatrix functions ! I'll study your code, but i'm pretty sure you found my solution :) Thx !

_vk

Push/popMatrix are used here to "isolate" the transformations meant to the cube. Try removing them and you will see. :)

PingouinMazo

oh ok you mean, what's inside the ***Matrix() functions is isolated from the rest of the code ? If i remove them, the rotation on Y-axis are applied to the whole code :D Thanks man you're awesome :)

Chrisir

translate works with x,y,z

so use 0,0,z

0,0,333

but -333 is away from you into the screen