Compare commits

...

2 Commits

Author SHA1 Message Date
DaniTheSkunk 4a16dbfc9f added Image.drawImage 2022-09-15 23:11:35 +02:00
DaniTheSkunk ef937886cc added Vec2i.ZERO 2022-09-15 23:11:01 +02:00
2 changed files with 27 additions and 8 deletions

View File

@ -57,4 +57,21 @@ public class Image {
data[i + 2] = (byte) (col.b & 0xFF); data[i + 2] = (byte) (col.b & 0xFF);
data[i + 3] = (byte) (col.a & 0xFF); data[i + 3] = (byte) (col.a & 0xFF);
} }
public void drawImage(Image srcImage, Vec2i destPos) {
drawImage(srcImage, destPos, new Recti(Vec2i.ZERO, srcImage.getSize()));
}
public void drawImage(Image srcImage, Vec2i destPos, Recti srcRect) {
//todo: check bounds
//todo: write in faster way than pixel stuff
for(int y = 0; y < srcRect.getHeight(); ++y) {
for(int x = 0; x < srcRect.getWidth(); ++x) {
var iterPos = new Vec2i(x, y);
var to = Vec2i.add(destPos, iterPos);
var from = Vec2i.add(srcRect.getPos(), iterPos);
setPixel(to, srcImage.getPixel(from));
}
}
}
} }

View File

@ -3,6 +3,8 @@ package com.danitheskunk.skunkworks;
public final class Vec2i { public final class Vec2i {
final int x, y; final int x, y;
public final static Vec2i ZERO = new Vec2i(0, 0);
//constructors //constructors
public Vec2i(int x, int y) { public Vec2i(int x, int y) {