Implement Point Light Shadows (#215)

carboncopies · Jun 14, 2022 · 7fa2121 · 7fa2121
1 parent 223d4e5
commit 7fa2121
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Showing 2 changed files with 19 additions and 12 deletions.
diff --git a/Source/Core/Renderer/ERS_CLASS_VisualRenderer/ERS_CLASS_DepthMaps.cpp b/Source/Core/Renderer/ERS_CLASS_VisualRenderer/ERS_CLASS_DepthMaps.cpp
@@ -285,22 +285,26 @@ void ERS_CLASS_DepthMaps::UpdateDepthMap(ERS_STRUCT_PointLight* Light, ERS_STRUC
     ShadowTransforms.push_back(ObjectProjection * glm::lookAt(Light->Pos, Light->Pos + glm::vec3( 0.0, 0.0, 1.0), glm::vec3(0.0,-1.0, 0.0)));
     ShadowTransforms.push_back(ObjectProjection * glm::lookAt(Light->Pos, Light->Pos + glm::vec3( 0.0, 0.0,-1.0), glm::vec3(0.0,-1.0, 0.0)));
 
+    // Render All Sides
+    for (unsigned int i = 0; i < ShadowTransforms.size(); i++) {
 
-    // Render With Depth Shader
-    DepthShader->MakeActive();
-    DepthShader->SetMat4("LightSpaceMatrix", ObjectSpace);
+        // Render With Depth Shader
+        DepthShader->MakeActive();
+        DepthShader->SetMat4("LightSpaceMatrix", ShadowTransforms[i]);
 
-    if (LightSpaceMatrix != nullptr) {
-        *LightSpaceMatrix = ObjectSpace;
-    }
+        if (LightSpaceMatrix != nullptr) {
+            *LightSpaceMatrix = ObjectSpace;
+        }
 
-    glViewport(0, 0, DepthTextureArrayWidth_, DepthTextureArrayHeight_);
-    glBindFramebuffer(GL_FRAMEBUFFER, Light->DepthMap.FrameBufferObjectIDs[0]); // fix this later
-    glClear(GL_DEPTH_BUFFER_BIT);
-    glActiveTexture(GL_TEXTURE0);
-    Renderer_->RenderSceneNoTextures(TargetScene, DepthShader);
+        glViewport(0, 0, DepthTextureArrayWidth_, DepthTextureArrayHeight_);
+        glBindFramebuffer(GL_FRAMEBUFFER, Light->DepthMap.FrameBufferObjectIDs[0]); // fix this later
+        glClear(GL_DEPTH_BUFFER_BIT);
+        glActiveTexture(GL_TEXTURE0);
+        Renderer_->RenderSceneNoTextures(TargetScene, DepthShader);
 
-    glBindFramebuffer(GL_FRAMEBUFFER, 0);
+        glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+    }
 
 }
 

diff --git a/Source/Core/Structures/ERS_STRUCT_DepthMap/ERS_STRUCT_DepthMap.h b/Source/Core/Structures/ERS_STRUCT_DepthMap/ERS_STRUCT_DepthMap.h
@@ -24,7 +24,10 @@
 struct ERS_STRUCT_DepthMap {
 
     std::vector<unsigned int> FrameBufferObjectIDs; /**<OpenGL Depth Map FBO ID, Multiple to support point lights*/
+
     std::vector<int> DepthMapTextureIndexes; /**<OpenGL Depth Map Texture Index In 2D Array, Multiple To Support CubeMaps For Point Lights*/
+    std::vector<glm::mat4> TransformationMatricies; /**<Used to store the transformation matrix for every index used in the matrix*/
+
     bool Initialized = false; /**<Indiciates If The Target Is Initialized Or Not*/
 
 };