Fix vertical direction

2018-10-23 20:48:49 +02:00
parent 6702686b9b
commit 45fb27c8af
4 changed files with 30 additions and 4 deletions
--- a/orx-jumpflood/src/main/resources/shaders/gl3/pixel-distance.frag
+++ b/orx-jumpflood/src/main/resources/shaders/gl3/pixel-distance.frag
@@ -9,7 +9,7 @@ void main() {
    vec2 size = textureSize(tex0, 0);
    vec2 pixelPosition = v_texCoord0;
    vec2 centroidPixelPosition = texture(tex0, v_texCoord0).xy;
-    vec2 pixelDistance = (centroidPixelPosition - pixelPosition) * size;
+    vec2 pixelDistance = (centroidPixelPosition - pixelPosition) * size * vec2(1.0, -1.0);

    o_color = vec4(pixelDistance, 0.0, 1.0);
 }