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#include "glad/glad.h"
#include "GLFW/glfw3.h"
#include "input.hpp"
#include "shader.hpp"
#include "batch.hpp"
#include <iostream>
#include <cmath>
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
int main() {
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3); // 4.6 is highest
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(800, 600, "Ogle", NULL, NULL);
if (window == NULL)
{
std::cout << "Failed to create GLFW window" << std::endl;
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
if (!gladLoadGLLoader((GLADloadproc)glfwGetProcAddress))
{
std::cout << "Failed to init GLAD" << std::endl;
return -1;
}
glViewport(0, 0, 800, 600);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
Shader shader = Shader("src/shaders/default.vert", "src/shaders/default.frag");
//glPolygonMode(GL_FRONT_AND_BACK, GL_LINE); // wireframe mode
Batch batch = Batch();
Texture texture = Texture("assets/awesomeface.png");
shader.use();
float pi = 2.0f * acos(0.0f);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// game loop
while(!glfwWindowShouldClose(window))
{
processInput(window);
glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
shader.use();
batch.drawRectangle(
-0.5,
-0.5,
1.0,
1.0,
glm::vec4(0.3,0.3,1.0,1.0)
);
batch.drawRectangle(
0.5,
0.5,
1.0,
1.0,
glm::vec4(1.0,0.3,0.3,1.0)
);
batch.drawRectangle(
-0.5,
0.5,
1.0,
1.0,
glm::vec4(1.0,0.3,1.0,1.0)
);
batch.drawRectangle(
0.5,
-0.5,
1.0,
1.0,
glm::vec4(1.0,1.0,0.3,1.0)
);
batch.drawTexture(
texture,
-0.5,
-0.5,
1.0,
1.0,
glm::vec4(1.0,1.0,1.0,0.3)
);
batch.drawTexture(
texture,
0.5,
0.5,
1.0,
1.0,
glm::vec4(1.0,1.0,1.0,0.3)
);
batch.drawTexture(
texture,
-0.5,
0.5,
1.0,
1.0,
glm::vec4(1.0,1.0,1.0,0.3)
);
batch.drawTexture(
texture,
0.5,
-0.5,
1.0,
1.0,
glm::vec4(1.0,1.0,1.0,0.3)
);
batch.drawTexture(
texture,
0.0,
0.0,
1.0,
1.0,
glm::vec4(1.0,1.0,1.0,0.5)
);
batch.flush_batch(); // does the drawing
glfwSwapBuffers(window);
glfwPollEvents();
}
glfwTerminate();
return 0;
}
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