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GUI.cpp
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GUI.cpp
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#include "GUI.hpp"
GUI::GUI(const std::vector<std::vector<Node>>& _grid) : grid(_grid), numRows(_grid.size()), numCols(_grid[0].size()) {
nodeSize = 15;
window = SDL_CreateWindow("A* Pathfinding Visualizer", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, numCols * nodeSize, numRows * nodeSize, SDL_WINDOW_SHOWN);
renderer = SDL_CreateRenderer(window, -1, 0);
}
GUI::~GUI() {
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
}
void GUI::draw() const {
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
SDL_RenderClear(renderer);
SDL_Rect rect;
rect.w = nodeSize;
rect.h = nodeSize;
for (const auto& row : grid) {
for (const Node& node : row) {
switch (node.type) {
case NodeType::Movable:
SDL_SetRenderDrawColor(renderer, 160, 160, 160, 255);
break;
case NodeType::Wall:
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
break;
case NodeType::Ghost:
SDL_SetRenderDrawColor(renderer, 0, 204, 0, 255);
break;
case NodeType::Target:
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
break;
case NodeType::Open:
SDL_SetRenderDrawColor(renderer, 0, 0, 255, 255);
break;
case NodeType::Closed:
SDL_SetRenderDrawColor(renderer, 204, 204, 0, 255);
break;
case NodeType::Path:
SDL_SetRenderDrawColor(renderer, 0, 255, 255, 255);
break;
}
rect.y = node.i * nodeSize;
rect.x = node.j * nodeSize;
SDL_RenderFillRect(renderer, &rect);
//SDL_SetRenderDrawColor(renderer, 128, 128, 128, 255);
//SDL_RenderDrawRect(renderer, &rect);
}
}
SDL_RenderPresent(renderer);
}
void GUI::wait(unsigned ms) const {
SDL_Delay(ms);
}