99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
#include "raylib.h"
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#define MIN(a, b) (a) < (b) ? (a) : (b)
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#define MAX(a, b) (a) > (b) ? (a) : (b)
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typedef struct {
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union {
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int x;
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int width;
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};
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union {
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int y;
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int height;
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};
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} Vec2i;
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Vec2i screen = {.width = 1344, .height = 756};
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const int trap_len = 200;
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Rectangle trap = {
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.width = trap_len,
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.height = trap_len,
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};
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Vec2i player;
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const int player_radius = 25;
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const int player_speed = 5;
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void handle_resize_window(void)
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{
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Vec2i old_screen = screen;
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screen.width = GetScreenWidth();
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screen.height = GetScreenHeight();
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trap.x = screen.width/2 - trap_len/2;
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trap.y = screen.height/2 - trap_len/2;
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player.x -= (old_screen.width - screen.width) / 2;
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player.y -= (old_screen.height - screen.height) / 2;
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}
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int point_rec_collision(Vec2i point, Rectangle rec)
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{
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return
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(point.x >= rec.x && point.x <= rec.x + rec.width) &&
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(point.y >= rec.y && point.y <= rec.y + rec.height);
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}
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int move_player_inside_trap(Vec2i *player, Rectangle trap, const int speed, const float delta_time)
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{
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int step = speed * delta_time * 100;
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player->x -= step * IsKeyDown(KEY_A);
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player->x += step * IsKeyDown(KEY_D);
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player->y -= step * IsKeyDown(KEY_W);
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player->y += step * IsKeyDown(KEY_S);
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return point_rec_collision(*player, trap);
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}
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void snap_player_inside_trap(Vec2i *player, const Rectangle trap)
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{
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player->x = MAX(MIN(player->x, trap.x + trap.width), trap.x);
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player->y = MAX(MIN(player->y, trap.y + trap.height), trap.y);
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}
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int main(void)
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{
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SetTraceLogLevel(LOG_ERROR);
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InitWindow(screen.width, screen.height, "voleur");
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SetWindowState(FLAG_WINDOW_RESIZABLE);
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SetTargetFPS(60);
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handle_resize_window();
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player = (Vec2i) {.x = screen.width/2, .y = screen.height/2};
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while (!WindowShouldClose()) {
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BeginDrawing();
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{
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ClearBackground(BLACK);
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const float delta_time = GetFrameTime();
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if (IsWindowResized())
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handle_resize_window();
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if (!move_player_inside_trap(&player, trap, player_speed, delta_time)) {
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snap_player_inside_trap(&player, trap);
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}
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DrawCircle(player.x, player.y, player_radius, BLUE);
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DrawRectangleLinesEx(trap, 1, RED);
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}
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EndDrawing();
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}
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CloseWindow();
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return 0;
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}
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