}
public Vector2f getPointPercentagePosition(Terrain terrain, Vector3f worldLoc) {
- Vector2f uv = new Vector2f(worldLoc.x,worldLoc.z);
+ Vector2f uv = new Vector2f(worldLoc.x,-worldLoc.z);
float scale = ((Node)terrain).getLocalScale().x;
uv.subtractLocal(((Node)terrain).getLocalTranslation().x*scale, ((Node)terrain).getLocalTranslation().z*scale); // center it on 0,0
float scaledSize = terrain.getTerrainSize()*scale;
uv.addLocal(scaledSize/2, scaledSize/2); // shift the bottom left corner up to 0,0
uv.divideLocal(scaledSize); // get the location as a percentage
-
+
return uv;
}
float width = image.getWidth();
float height = image.getHeight();
- int minx = (int) (uv.x*width - radius*width); // convert percents to pixels to limit how much we iterate
- int maxx = (int) (uv.x*width + radius*width);
- int miny = (int) (uv.y*height - radius*height);
- int maxy = (int) (uv.y*height + radius*height);
+ int minx = (int) Math.max(0, (uv.x*width - radius*width)); // convert percents to pixels to limit how much we iterate
+ int maxx = (int) Math.min(width,(uv.x*width + radius*width));
+ int miny = (int) Math.max(0,(uv.y*height - radius*height));
+ int maxy = (int) Math.min(height,(uv.y*height + radius*height));
float radiusSquared = radius*radius;
float radiusFalloff = radius*fadeFalloff;