background shader render progress, replacing shape renderers with texture (haven't created said textures yet)

android/assets/shaders/star_vert.glsl

@@ -0,0 +1,20 @@
+attribute vec4 a_position;
+attribute vec4 a_color;
+attribute vec2 a_texCoord0;
+
+uniform mat4 u_projTrans;
+uniform float time;
+uniform vec2 resolution;
+
+varying vec4 vColor;
+varying vec2 vTexCoord;
+varying float vTime;
+varying vec2 vResolution;
+void main() {
+	vColor = a_color;
+	vTexCoord = a_texCoord0;
+	vTime = time;
+	vResolution = resolution;
+
+	gl_Position = u_projTrans * a_position;
+}