what done?

app/build/intermediates/assets/debug/shader/entityFragmentShader.glsl

@@ -0,0 +1,29 @@
+precision mediump float;
+
+uniform sampler2D texture;
+uniform float alpha;
+uniform vec2 texAtlasSize;
+uniform float texAtlasIndex;
+
+varying vec2 pass_TexCoords;
+
+vec2 getTexCoordsInAtlas(in float atlasIndex);
+
+void main() {
+
+    vec2 texAtlasCoords = getTexCoordsInAtlas(texAtlasIndex);
+    gl_FragColor = texture2D(texture, texAtlasCoords);
+    gl_FragColor.a = min(gl_FragColor.a, alpha);
+
+}
+
+vec2 getTexCoordsInAtlas(in float atlasIndex){
+
+     vec2 texAtlasCoords = vec2(0.0, 0.0);
+     texAtlasCoords.x = mod(pass_TexCoords.x, 1.0) / texAtlasSize.x;
+     texAtlasCoords.x += mod(atlasIndex, texAtlasSize.x) / texAtlasSize.x;
+     texAtlasCoords.y = mod(pass_TexCoords.y, 1.0) / texAtlasSize.y;
+     texAtlasCoords.y += floor(atlasIndex / texAtlasSize.y) / texAtlasSize.y;
+     return texAtlasCoords;
+
+}