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processing4/java/examples/Topics/File IO/TileImages/TileImages.pde
Yong Bakos e42b4dcb3c Improving header comment to set user expectation.
Cleaning up setOffset() such that it has one job: setting the offset.
References processing/processing_web#45
2013-04-05 12:17:12 -06:00

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/**
* Tile Images
*
* Draws an image larger than the screen, and saves the image as six tiles.
* The scaleValue variable sets amount of scaling: 1 is 100%, 2 is 200%, etc.
*/
int scaleValue = 3; // Multiplication factor
int xoffset = 0; // x-axis offset
int yoffset = 0; // y-axis offset
void setup() {
size(600, 600);
stroke(0, 100);
}
void draw() {
background(204);
scale(scaleValue);
translate(xoffset * (-width / scaleValue), yoffset * (-height / scaleValue));
line(10, 150, 500, 50);
line(0, 600, 600, 0);
save("lines-" + yoffset + "-" + xoffset + ".png");
setOffset();
}
void setOffset() {
xoffset++;
if (xoffset == scaleValue) {
xoffset = 0;
yoffset++;
if (yoffset == scaleValue) {
println("Tiles saved.");
exit();
}
}
}