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#include "glad/glad.h"
#include "GLFW/glfw3.h"
#include "input.hpp"
#include "shader.hpp"
#include "batch.hpp"
#include "window.hpp"
#include "random.hpp"
#include <iostream>
#include <cmath>
#include <chrono>
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>
#include <glm/gtc/type_ptr.hpp>
typedef struct Bunny {
glm::vec2 position;
glm::vec2 speed;
glm::vec4 color;
} Bunny;
const int SCREEN_WIDTH = 800;
const int SCREEN_HEIGHT = 450;
int main() {
Window::init(SCREEN_WIDTH, SCREEN_HEIGHT, "Ogle");
Shader shader = Shader("src/shaders/default.vert", "src/shaders/default.frag");
Batch batch = Batch(1024 * 8);
Texture texture = Texture("assets/wabbit_alpha.png");
glm::mat4 transform = glm::ortho(0.0f, (float)SCREEN_WIDTH, (float)SCREEN_HEIGHT, 0.0f, 0.1f, 100.0f);
shader.use();
shader.setMatrix4fv("transform", transform);
auto start = std::chrono::high_resolution_clock::now();
auto stop = std::chrono::high_resolution_clock::now();
std::vector<Bunny> bunnies = std::vector<Bunny>{};
const int MAX_BUNNIES = 50000;
// game loop
while(!glfwWindowShouldClose(Window::get()))
{
start = std::chrono::high_resolution_clock::now();
Input::process(Window::get());
glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
glClear(GL_COLOR_BUFFER_BIT);
shader.use();
if(Input::get_mouse_click())
{
Bunny new_bunny;
for (int i =0; i < 100; i++)
{
if (bunnies.size() < MAX_BUNNIES)
{
new_bunny = (Bunny){
glm::vec2(Input::get_mouse_x(), Input::get_mouse_y()),
glm::vec2((float)Random::get_value(-250, 250)/60.0f, (float)Random::get_value(-250, 250)/60.0f),
glm::vec4(
Random::get_value(50, 240) / 255.0,
Random::get_value(50, 240) / 255.0,
Random::get_value(100, 240) / 255.0,
1.0f
)
};
bunnies.push_back(new_bunny);
}
}
//batch.drawRectangle(100,100,50.0,50.0,glm::vec4(0.3,0.3,1.0,1.0));
}
// move bunnies
for (int i = 0; i < bunnies.size(); i++)
{
bunnies.at(i).position.x += bunnies.at(i).speed.x;
bunnies.at(i).position.y += bunnies.at(i).speed.y;
if (((bunnies.at(i).position.x) > SCREEN_WIDTH) || ((bunnies.at(i).position.x) < 0))
bunnies.at(i).speed.x *= -1;
if (((bunnies.at(i).position.y) > SCREEN_HEIGHT) || ((bunnies.at(i).position.y) < 0))
bunnies.at(i).speed.y *= -1;
}
for (int i = 0; i < bunnies.size(); i++)
{
batch.drawTexture(
texture,
bunnies.at(i).position.x,
bunnies.at(i).position.y,
32,
32,
bunnies.at(i).color
);
}
//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::get());
glfwPollEvents();
stop = std::chrono::high_resolution_clock::now();
auto duration = std::chrono::duration_cast<std::chrono::microseconds>(stop - start);
std::cout << bunnies.size();
std::cout << " Bunnies at ";
std::cout << round(1.0f/((float)duration.count() / 10000000.0f))/10.0;
std::cout << " FPS";
std::cout << std::endl;
}
glfwTerminate();
return 0;
}
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