GameObjects

Began to add GameObjects, starting with the player.

PointLight.h

@@ -0,0 +1,115 @@
+#pragma once
+
+#include <vector>
+#include <iostream>
+
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glad/glad.h>
+#include <GLFW/glfw3.h>
+
+#include "Shader.h"
+#include "MeshRenderer.h"
+
+#define SHADOW_WIDTH 1024
+#define SHADOW_HEIGHT 1024
+
+class PointLight
+{
+public:
+	unsigned int depth_map, depth_map_FBO;
+	float near_plane = 1.0f, 
+		far_plane = 100.0f, 
+		ambient_intensity = 0.5f,
+		diffuse_intensity = 1.0f,
+		attenuation_constant = 1.0f,
+		attenuation_linear = 0.09f,
+		attenuation_exponential = 0.032f;
+	glm::vec3 Position;
+	glm::vec3 color;
+	Shader shader;
+
+	PointLight(glm::vec3 position, glm::vec3 color, Shader shader)
+	{
+		this->Position = position;
+		this->color = color;
+		this->shader = shader;
+		SetupLighting();
+	}
+
+	void RenderSceneShadows(std::vector<MeshRenderer*> meshes)
+	{
+		glm::mat4 shadowProj = glm::perspective(glm::radians(90.0f), (float)SHADOW_WIDTH / (float)SHADOW_HEIGHT, near_plane, far_plane);
+		std::vector<glm::mat4> shadowTransforms;
+		shadowTransforms.push_back(shadowProj * glm::lookAt(Position, Position + glm::vec3(1.0f, 0.0f, 0.0f), glm::vec3(0.0f, -1.0f, 0.0f))); // Right
+		shadowTransforms.push_back(shadowProj * glm::lookAt(Position, Position + glm::vec3(-1.0f, 0.0f, 0.0f), glm::vec3(0.0f, -1.0f, 0.0f))); // Left
+		shadowTransforms.push_back(shadowProj * glm::lookAt(Position, Position + glm::vec3(0.0f, 1.0f, 0.0f), glm::vec3(0.0f, 0.0f, 1.0f))); // Up
+		shadowTransforms.push_back(shadowProj * glm::lookAt(Position, Position + glm::vec3(0.0f, -1.0f, 0.0f), glm::vec3(0.0f, 0.0f, -1.0f))); // Down
+		shadowTransforms.push_back(shadowProj * glm::lookAt(Position, Position + glm::vec3(0.0f, 0.0f, 1.0f), glm::vec3(0.0f, -1.0f, 0.0f))); // Forward
+		shadowTransforms.push_back(shadowProj * glm::lookAt(Position, Position + glm::vec3(0.0f, 0.0f, -1.0f), glm::vec3(0.0f, -1.0f, 0.0f))); // Backward
+
+		glEnable(GL_CULL_FACE);
+
+		glCullFace(GL_FRONT);
+
+		glEnable(GL_DEPTH_TEST);
+		glDepthMask(GL_TRUE);
+		glViewport(0, 0, SHADOW_WIDTH, SHADOW_HEIGHT);
+		glBindFramebuffer(GL_FRAMEBUFFER, depth_map_FBO);
+		glClear(GL_DEPTH_BUFFER_BIT);
+		shader.Use();
+		for (unsigned int i = 0; i < 6; ++i)
+		{
+			std::string matrix_name = "shadowMatrices[" + std::to_string(i) + "]";
+			shader.SetMatrix4(matrix_name.c_str(), shadowTransforms[i]);		
+		}
+		shader.SetFloat("farPlane", far_plane);
+		shader.SetVector3f("lightPosition", Position);
+
+		for (MeshRenderer* mesh : meshes)
+		{
+			mesh->Render(shader);
+		}
+		
+		if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+		{
+			std::cout << "Framebuffer not complete!" << std::endl;
+		}
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+
+		glCullFace(GL_BACK);
+
+	}
+private:
+
+	void SetupLighting()
+	{
+		//std::cout << "SetupLighting" << std::endl;
+		glGenFramebuffers(1, &depth_map_FBO);
+		glGenTextures(1, &depth_map);
+		glBindTexture(GL_TEXTURE_CUBE_MAP, depth_map);
+
+		for (unsigned int i = 0; i < 6; i++)
+		{
+			glTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X + i, 0, GL_DEPTH_COMPONENT, SHADOW_WIDTH, SHADOW_HEIGHT, 0, GL_DEPTH_COMPONENT, GL_FLOAT, NULL);
+		}
+		glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+		glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+
+		glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
+		glTexParameteri(GL_TEXTURE_CUBE_MAP, GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE);
+
+		glBindFramebuffer(GL_FRAMEBUFFER, depth_map_FBO);
+		glFramebufferTexture(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, depth_map, 0);
+		glDrawBuffer(GL_NONE);
+		glReadBuffer(GL_NONE);
+
+		if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
+		{
+			std::cout << "Framebuffer not complete!" << std::endl;
+		}
+		glBindFramebuffer(GL_FRAMEBUFFER, 0);
+	}
+};
+