added lightObject shader

assets/shaders/lightObject.frag

@@ -0,0 +1,78 @@
+#version 450
+#extension GL_EXT_nonuniform_qualifier : require
+
+#include "shaders://_builtins/constants.glsl"
+#include "shaders://_builtins/srgb_ops.glsl"
+#include "shaders://_builtins/PBR.glsl"
+
+struct Material {
+  vec4 baseColor;
+  uint albedoTexture;
+
+  uint normalTexture;
+
+  float metallicFactor;
+  float roughnessFactor;
+  uint metallicRoughnessTexture;
+};
+
+struct Light {
+  vec3 color;
+  uint intensity;
+};
+
+struct Scene {
+  uint lightsCount;
+};
+
+vec3 directional_light = vec3(1.0);
+
+layout( push_constant ) uniform constants
+{
+	mat4 render_matrix;
+  uint indexBufferIndex;
+  uint vertexBufferIndex;
+  uint materialBufferIndex;
+} PushConstants;
+
+layout(set = 0, binding = 0) uniform SceneData {
+  layout(align = 16) Scene mesh;
+} SceneBuffers[];
+
+layout(set = 0, binding = 1) uniform LightBuffer {
+  layout(align = 16) Light lights[];
+} LightsBuffers;
+
+layout (set = 0, binding = 2) uniform samplerCube skybox;
+
+layout(set = 2, binding = 3) buffer MaterialBuffer {
+  layout(align = 16) Material materials[];
+} MaterialBuffers;
+
+layout(set = 2, binding = 4) uniform sampler2D texSampler[];
+
+layout(location = 0) in vec2 uv;
+layout(location = 1) smooth in mat3 TBN;
+layout(location = 4) in vec4 outpos;
+layout(location = 5) in vec3 cameraPos;
+
+layout (location = 0) out vec4 gPosition;
+layout (location = 1) out vec4 gNormal;
+layout (location = 2) out vec4 gAlbedo;
+layout (location = 3) out vec4 gSpecular;
+
+float near = 0.001;
+float far  = 50.0;
+
+float LinearizeDepth(float depth)
+{
+    float z = depth * 2.0 - 1.0; // back to NDC
+    return (2.0 * near * far) / (far + near - z * (far - near));
+}
+
+void main() {
+  gNormal = vec4(1.0);
+  gSpecular = vec4(1.0);
+  gPosition = outpos;
+  gAlbedo = vec4(1.0);
+}