what done?

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

@@ -0,0 +1,13 @@
+precision mediump float;
+
+uniform sampler2D texture;
+uniform vec3 color;
+
+varying vec2 pass_TexCoords;
+
+void main() {
+
+    gl_FragColor.a = texture2D(texture, pass_TexCoords).a;
+    gl_FragColor.rgb = color;
+
+}