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too much changes to describe

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This commit is contained in:
Akos Horvath
2022-07-05 19:06:45 +02:00
parent f21fed9b27
commit 6b75b7d61a
6 changed files with 343 additions and 154 deletions
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141
graphics.cpp
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@ -1,12 +1,16 @@
#include "graphics.h"
#include "utils.h"
#include <SDL2/SDL_render.h>
#include <cstdint>
#include <cstdlib>
#include <iostream>
#include <vector>
using namespace Mandelbrot;
using namespace mpfr;
Graphics::Graphics(int w, int h, std::string title) : w(w), h(h), title(title)
Graphics::Graphics(int w, int h, std::string title) : w(w), h(h), title(title),
from(Vec2mp(0.0, 0.0)), to(Vec2mp(0.0, 0.0))
{
SDL_Window *window = SDL_CreateWindow(this->title.c_str(),
SDL_WINDOWPOS_CENTERED,
@ -32,6 +36,7 @@ Graphics::Graphics(int w, int h, std::string title) : w(w), h(h), title(title)
}
this->renderer = r;
this->running = true;
}
void Graphics::drawPoint(const Vec2i &pos, const rgb &col)
@ -39,11 +44,137 @@ void Graphics::drawPoint(const Vec2i &pos, const rgb &col)
SDL_RenderDrawPoint(this->renderer, pos.x, pos.y);
}
void Graphics::plot(const Vec2bf &from, const Vec2bf &to)
void Graphics::plot(Mandelbrotc const &m)
{
for (double i = 0.0; i < this->w; i++) {
for (double j = 0.0; j < this->h; j++) {
BigFloat f = (from.x - to.x) * from.x + (i / this->w);
// std::vector<uint8_t> screen = std::vector<uint8_t>();
// std::vector<uint8_t> screen1 = std::vector<uint8_t>();
// #pragma omp parallel sections
// {
// #pragma omp section
// {
// for (int i = 0; i < this->w/2; i+=2) {
// for (int j = 0; j < this->h/2; j+=2) {
// mpreal x = (mpfr::abs(from.x - to.x) * (i / this->w)) + from.x;
// mpreal y = (mpfr::abs(from.y - to.y) * (j / this->h)) + from.y;
// // std::cout << "px: " << x.to_str() << std::endl;
// // std::cout << "py: " << y.to_str() << std::endl;
// uint32_t max_iter = 50;
// uint32_t iter = mandelbrot(Vec2mp(x, y), max_iter);
// std::cout << "iter: " << iter << std::endl;
// uint8_t color = 255 - (int)(iter*255/max_iter);
// screen.push_back(color);
// SDL_SetRenderDrawColor(this->renderer, color, color, color, 255);
// SDL_RenderDrawPoint(renderer, (int)i, (int)j);
// }
// }
// }
// #pragma omp section
// {
// for (int i = 1; i < this->w/2; i+=2) {
// for (int j = 1; j < this->h/2; j+=2) {
// mpreal x = (mpfr::abs(from.x - to.x) * (i / this->w)) + from.x;
// mpreal y = (mpfr::abs(from.y - to.y) * (j / this->h)) + from.y;
// // std::cout << "px: " << x.to_str() << std::endl;
// // std::cout << "py: " << y.to_str() << std::endl;
// uint32_t max_iter = 50;
// uint32_t iter = mandelbrot(Vec2mp(x, y), max_iter);
// std::cout << "iter: " << iter << std::endl;
// uint8_t color = 255 - (int)(iter*255/max_iter);
// screen1.push_back(color);
// SDL_SetRenderDrawColor(this->renderer, color, color, color, 255);
// SDL_RenderDrawPoint(renderer, (int)i, (int)j);
// }
// }
// }
// }
// for (double i = 1.0; i < this->w/2; i+=2) {
// for (double j = 1.0; j < this->h/2; j+=2) {
// uint8_t color = screen[i*h/2+j];
// SDL_SetRenderDrawColor(this->renderer, color, color, color, 255);
// SDL_RenderDrawPoint(renderer, (int)i, (int)j);
// }
// }
// for (double i = 0.0; i < this->w; i++) {
// for (double j = 0.0; j < this->h; j++) {
// mpreal x = (mpfr::abs(from.x - to.x) * (i / this->w)) + from.x;
// mpreal y = (mpfr::abs(from.y - to.y) * (j / this->h)) + from.y;
// uint32_t max_iter = 50;
// uint32_t iter = mandelbrot(Vec2mp(x, y), max_iter);
// //std::cout << "iter: " << iter << std::endl;
// uint8_t color = 255 - (iter*255/max_iter);
// SDL_SetRenderDrawColor(this->renderer, color, color, color, 255);
// SDL_RenderDrawPoint(renderer, (int)i, (int)j);
// }
// }
for (uint32_t i = 0; i < m.screen.size(); i+=2) {
for (uint32_t j = 0; j < m.screen[0].size(); j+=2) {
uint8_t color = 255 - (m.screen[i][j]*255/m.max_iter);
SDL_SetRenderDrawColor(this->renderer, color, color, color, 255);
SDL_RenderDrawPoint(renderer, (int)i, (int)j);
}
}
}
void Graphics::mainLoop()
{
mpreal fx = mpreal(-2);
mpreal fy = mpreal(-1);
mpreal tx = mpreal(1);
mpreal ty = mpreal(1);
this->from = Vec2mp(fx, fy);
this->to = Vec2mp(tx, ty);
Mandelbrotc m = Mandelbrotc(from, to, Vec2i(this->w, this->h), 100);
m.thread_count = 5;
m.start_threads();
while (this->running)
{
SDL_Event event;
while (SDL_PollEvent(&event))
{
switch (event.type)
{
case SDL_QUIT:
running = false;
break;
case SDL_MOUSEWHEEL:
if (event.wheel.y > 0) {
std::cout << "wheel" << std::endl;
this->from.x += 0.2;
this->to.x -= 0.2;
this->from.y += 0.2;
this->to.y -= 0.2;
}
if (event.wheel.y < 0) {
std::cout << "wheel" << std::endl;
this->from.x -= 0.2;
this->to.x += 0.2;
this->from.y -= 0.2;
this->to.y += 0.2;
}
break;
case SDL_MOUSEMOTION:
break;
}
}
std::cout << "mainloop range " << this->from.x << std::endl;
std::cout << "mainloop range " << this->from.y << std::endl;
std::cout << "mainloop range " << this->to.x << std::endl;
std::cout << "mainloop range " << this->to.y << std::endl;
//this->plot(this->from, this->to);
std::cout << "done" << std::endl;
SDL_RenderPresent(renderer);
SDL_SetRenderDrawColor(this->renderer, 255, 255, 255, 255);
SDL_Delay(100);
}
}