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processing4/java/examples/Topics/Textures/TextureQuad/TextureQuad.pde
2011-09-16 05:00:28 +00:00

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/**
* Texture Quad.
*
* Load an image and draw it onto a quad. The texture() function sets
* the texture image. The vertex() function maps the image to the geometry.
*/
// @pjs preload must be used to preload media if the program is
// running with Processing.js
/* @pjs preload="berlin-1.jpg"; */
PImage img;
void setup() {
size(640, 360, P3D);
img = loadImage("berlin-1.jpg");
noStroke();
}
void draw() {
background(0);
translate(width / 2, height / 2);
rotateY(map(mouseX, 0, width, -PI, PI));
rotateZ(PI/6);
beginShape();
texture(img);
vertex(-100, -100, 0, 0, 0);
vertex(100, -100, 0, 300, 0);
vertex(100, 100, 0, 300, 300);
vertex(-100, 100, 0, 0, 300);
endShape();
}