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#include <stdio.h>
#include <GLFW/glfw3.h>
#include "util.h"
#include <unistd.h>
#include <stdlib.h>
#include <math.h>
#include "glfww.h"
int w,h;
GLFWwindow* glfw_init(){
GLFWwindow* window;
if(!glfwInit())
err("failed to init glfw",pexit);
window = glfwCreateWindow(800,500,"nya",NULL,NULL);
if(!window){
glfwTerminate();
err("failed to create window",pexit);
}
glfwMakeContextCurrent(window);
int w,h;
glfwGetFramebufferSize(window,&w,&h);
glViewport(0,0,w,h);
return window;
/*
while(!glfwWindowShouldClose(window)){
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1.0f,0.0f,0.0f);
glBegin(GL_POINTS);
for(float x = 0.0; x!=200.0;x+=1.0){
ab_to_vp(ax,ay,w,h,x,x);
glVertex2f(ax,ay);
}
glEnd();
glfwSwapBuffers(window);
glfwPollEvents();
}
glfwTerminate();
return 0;
*/
}
void refresh_size(GLFWwindow*wi){
glfwGetFramebufferSize(wi,&w,&h);
//printf("%i,%i\n",w,h);
}
int get_w(){
return w;
}
int get_h(){
return h;
}
#define glfw_load(w) glfwSwapBuffers(w);
void glfw_loop(GLFWwindow*window){
while(!glfwWindowShouldClose(window)){
//glfw_load(window);
glfwPollEvents();
}
glfwTerminate();
}
void glfw_pixel_partial(GLFWwindow*wi,int x, int y){
ab_to_vp(ax,ay,w,h,x,y);
glVertex2f(ax,ay);
}
void glfw_clear(GLFWwindow*w){
glClear(GL_COLOR_BUFFER_BIT);
}
void glfw_circle(GLFWwindow* wi,int x, int y, int r){
//SDL_SetRenderDrawColor(w.r,255,255,0,0);
glfwGetFramebufferSize(wi,&w,&h);
glBegin(GL_POINTS);
glColor3f(1.0f,0.0f,0.0f);
for(int i = 1; i!=360; i++){
float cf = cosf(i)*r;
float sf = sinf(i)*r;
//for(int z = 1; z<=r; z++){
//int x2 = x + z * cf;
//int y2 = y + z * sf;
glfw_pixel_partial(wi,x+cf,y+sf);
//}
}
glEnd();
}
void glfw_circle_partial(GLFWwindow* wi,int x, int y, int r){
//SDL_SetRenderDrawColor(w.r,255,255,0,0);
if(r==0){
glfw_pixel_partial(wi,x,y);
return;
}
for(int i = 1; i!=360; i++){
float cf = cosf(i)*r;
float sf = sinf(i)*r;
//for(int z = 1; z<=r; z++){
//int x2 = x + z * cf;
//int y2 = y + z * sf;
glfw_pixel_partial(wi,x+cf,y+sf);
//}
}
}
void glfw_square(GLFWwindow* wi,int x, int y, int r){
//SDL_SetRenderDrawColor(w.r,255,255,0,0);
glfwGetFramebufferSize(wi,&w,&h);
glBegin(GL_POINTS);
glColor3f(1.0f,0.0f,0.0f);
for(int i = 0; i<=r; i++){
for(int j = 0; j<=r; j++){
glfw_pixel_partial(wi,i-r/2+x,j-r/2+y);
}
}
glEnd();
}
int __glw_main(){
GLFWwindow* w = glfw_init();
glfw_circle(w,50,50,20);
glfw_load(w);
sleep(5);
glfwTerminate();
//glfw_loop(w);
return 0;
}
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