prepared for obj stuff

CMakeLists.txt

@@ -43,6 +43,7 @@ include_directories(
 
 set(SRCS
 	"src/AssetManager.cpp"
+	"src/Camera.cpp"
 	"src/Logger.cpp"
 	"src/Main.cpp"
 	"src/Model.cpp"

assets/shaders/vertex_shader.glsl

@@ -1,9 +1,9 @@
 #version 330 core
 layout(location = 0) in vec3 vert_pos;
 uniform vec3 col;
-/*uniform mat4 mvp;*/
+uniform mat4 mvp;
 out vec3 frag_col;
 void main() {
-	gl_Position = /*mvp * */vec4(vert_pos, 1);
+	gl_Position = mvp * vec4(vert_pos, 1);
 	frag_col = col;
 }

src/AssetManager.hpp

@@ -25,7 +25,6 @@
 
 class AssetManager {
 public:
-	AssetManager();
 
 	/*void loadOBJ(const std::string &path,
 			const std::string &name);*/

src/Camera.cpp

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2018 Ortega Froysa, Nicolás <nortega@themusicinnoise.net> All rights reserved.
+ * Author: Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ *    distribution.
+ */
+
+#include "Camera.hpp"
+
+#include <iostream>
+#include <cmath>
+
+Camera::Camera() : pos(0.0f, 0.0f, 0.0f),
+		yaw(45.0f), angle(45.0f), dist(5.0f) { }
+
+

src/Camera.hpp

@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2018 Ortega Froysa, Nicolás <nortega@themusicinnoise.net> All rights reserved.
+ * Author: Ortega Froysa, Nicolás <nortega@themusicinnoise.net>
+ *
+ * This software is provided 'as-is', without any express or implied
+ * warranty. In no event will the authors be held liable for any damages
+ * arising from the use of this software.
+ *
+ * Permission is granted to anyone to use this software for any purpose,
+ * including commercial applications, and to alter it and redistribute it
+ * freely, subject to the following restrictions:
+ *
+ * 1. The origin of this software must not be misrepresented; you must not
+ *    claim that you wrote the original software. If you use this software
+ *    in a product, an acknowledgment in the product documentation would be
+ *    appreciated but is not required.
+ *
+ * 2. Altered source versions must be plainly marked as such, and must not be
+ *    misrepresented as being the original software.
+ *
+ * 3. This notice may not be removed or altered from any source
+ *    distribution.
+ */
+
+#pragma once
+
+#include <GL/gl.h>
+#include <tuple>
+#include <glm/gtc/matrix_transform.hpp>
+
+
+class Camera {
+public:
+	Camera();
+	inline glm::vec3 get_pos() {
+		return pos;
+	}
+	inline void setPosition(glm::vec3 _pos) {
+		this->pos = _pos;
+	}
+private:
+	glm::vec3 pos;
+	float yaw;
+	float angle;
+	float dist; // distance from origin
+};

src/System.cpp

@@ -65,9 +65,24 @@ System::System() : running(true) {
 
 	glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
 
-	shader = std::make_unique<Shader>(
+	/*shader = std::make_unique<Shader>(
 			"../assets/shaders/vertex_shader.glsl",
-			"../assets/shaders/fragment_shader.glsl");
+			"../assets/shaders/fragment_shader.glsl");*/
+	shaders.insert({"default", Shader(
+				"../assets/shaders/vertex_shader.glsl",
+				"../assets/shaders/fragment_shader.glsl")});
+	matrix_id = glGetUniformLocation(
+			shaders.at("default").getId(),
+			"mvp");
+	asset_mngr.loadModel(
+			"../assets/models/board.dae",
+			"board");
+	asset_mngr.loadModel(
+			"../assets/models/cube.dae",
+			"cube");
+	asset_mngr.loadModel(
+			"../assets/models/sphere.dae",
+			"sphere");
 }
 
 System::~System() {
@@ -79,12 +94,33 @@ System::~System() {
 
 void System::run() {
 	unsigned int lastTime = SDL_GetTicks();
+	cam.setPosition(glm::vec3(4,4,4));
 	while(running)
 	{
 		syncInputs();
 
 		glClear(GL_COLOR_BUFFER_BIT bitor GL_DEPTH_BUFFER_BIT);
-		shader->use();
+		shaders.at("default").use();
+		glm::mat4 mvp;
+		{
+			glm::mat4 proj = glm::perspective(glm::radians(45.0f),
+					static_cast<float>(WINDOW_WIDTH) / static_cast<float>(WINDOW_HEIGHT),
+					0.1f, 100.0f);
+
+			glm::mat4 view = glm::lookAt(
+					cam.get_pos(), // camera position
+					glm::vec3(0,0,0), // where the camera is looking
+					glm::vec3(0,1,0) // which way is vertically up
+					);
+			glm::mat4 mod = glm::mat4(1.0f); // identity matrix, object is at origin
+			mvp = proj * view * mod;
+
+		}
+		glUniformMatrix4fv(matrix_id, 1, GL_FALSE, &mvp[0][0]);
+
+
+		asset_mngr.getModel("board")->setColor(1,0,0);
+		asset_mngr.getModel("board")->draw(shaders.at("default"));
 
 		SDL_GL_SwapWindow(window);
 

src/System.hpp

@@ -20,12 +20,13 @@
 
 #include "Logger.hpp"
 #include "Shader.hpp"
-
+#include "AssetManager.hpp"
 #include <SDL2/SDL.h>
 #include <memory>
+#include <map>
 #include <GL/glew.h>
 #include <GL/gl.h>
-
+#include "Camera.hpp"
 class System {
 public:
 	System();
@@ -36,10 +37,11 @@ public:
 
 private:
 	void syncInputs();
-
+	AssetManager asset_mngr;
 	SDL_Window *window;
 	SDL_GLContext glcontext;
-	std::unique_ptr<Shader> shader;
+	std::map<std::string, Shader> shaders;
-
+	Camera cam;
 	bool running;
+	GLuint matrix_id;
 };