74 lines
2 KiB
C++
74 lines
2 KiB
C++
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#include <fstream>
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#include <iostream>
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#include <signal.h>
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#include <sstream>
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#include <stdlib.h>
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#include <string>
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#include "../src/opengl/IndexBuffer.h"
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#include "../src/opengl/Renderer.h"
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#include "../src/opengl/Shader.h"
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#include "../src/opengl/VertexArray.h"
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#include "../src/opengl/VertexBuffer.h"
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#include "../src/opengl/utils.h"
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const std::string SHADERS_PATH = "src/opengl/res/shaders/Basic.shader";
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static void error_callback(int error, const char *description) {
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fputs(description, stderr);
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}
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static void key_callback(GLFWwindow *window, int key, int scancode, int action,
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int mods) {
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if (key == GLFW_KEY_ESCAPE && action == GLFW_PRESS)
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glfwSetWindowShouldClose(window, GL_TRUE);
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}
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int main(void) {
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GLFWwindow *window;
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glfwSetErrorCallback(error_callback);
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if (!glfwInit())
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exit(EXIT_FAILURE);
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window = glfwCreateWindow(640, 480, "Simple example", NULL, NULL);
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if (!window) {
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glfwTerminate();
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exit(EXIT_FAILURE);
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}
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glfwMakeContextCurrent(window);
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glfwSetKeyCallback(window, key_callback);
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int major, minor, revision;
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glfwGetVersion(&major, &minor, &revision);
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printf("Running against GLFW %i.%i.%i\n", major, minor, revision);
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LOG(glfwGetVersionString());
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while (!glfwWindowShouldClose(window)) {
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float ratio;
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int width, height;
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glfwGetFramebufferSize(window, &width, &height);
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ratio = width / (float)height;
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glViewport(0, 0, width, height);
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glClear(GL_COLOR_BUFFER_BIT);
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glMatrixMode(GL_PROJECTION);
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glLoadIdentity();
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glOrtho(-ratio, ratio, -1.f, 1.f, 1.f, -1.f);
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glMatrixMode(GL_MODELVIEW);
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glLoadIdentity();
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glRotatef((float)glfwGetTime() * 50.f, 0.f, 0.f, 1.f);
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glBegin(GL_TRIANGLES);
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glColor3f(1.f, 0.f, 0.f);
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glVertex3f(-0.6f, -0.4f, 0.f);
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glColor3f(0.f, 1.f, 0.f);
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glVertex3f(0.6f, -0.4f, 0.f);
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glColor3f(0.f, 0.f, 1.f);
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glVertex3f(0.f, 0.6f, 0.f);
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glEnd();
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glfwSwapBuffers(window);
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glfwPollEvents();
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}
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glfwDestroyWindow(window);
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glfwTerminate();
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exit(EXIT_SUCCESS);
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}
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