Addition of basic shader

src/lib/babylon/explorer-alpha-shader/basic_fragment.ts

@@ -0,0 +1,12 @@
+export const customBasicFragmentShader = `#version 300 es
+precision highp float;
+
+in vec2 vUV;
+
+uniform sampler2D textureSampler;
+
+out vec4 fragColor;
+
+void main(void) {
+    fragColor = texture(textureSampler, vUV);
+}`

src/lib/babylon/explorer-alpha-shader/basic_vertex.ts

@@ -0,0 +1,18 @@
+export const customBasicVertexShader = `#version 300 es
+precision highp float;
+
+// Attributes
+in vec3 position;
+in vec2 uv;
+
+// Uniforms
+uniform mat4 worldViewProjection;
+
+// Varying
+out vec2 vUV;
+
+void main(void) {
+    gl_Position = worldViewProjection * vec4(position, 1.0);
+
+    vUV = uv;
+}`