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This example is for Processing version 1.0+. If you have a previous version, use the examples included with your software. If you see any errors or have comments, please let us know.
Move Eye. by Simon Greenwold.
The camera lifts up (controlled by mouseY) while looking at the same point.
void setup() {
size(640, 360, P3D);
fill(204);
}
void draw() {
lights();
background(0);
// Change height of the camera with mouseY
camera(30.0, mouseY, 220.0, // eyeX, eyeY, eyeZ
0.0, 0.0, 0.0, // centerX, centerY, centerZ
0.0, 1.0, 0.0); // upX, upY, upZ
noStroke();
box(90);
stroke(255);
line(-100, 0, 0, 100, 0, 0);
line(0, -100, 0, 0, 100, 0);
line(0, 0, -100, 0, 0, 100);
}