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player rotation

This commit is contained in:
_N3m0 2024-03-21 21:06:30 +01:00
parent 270f330b8a
commit 3b1e7aa850
1 changed files with 39 additions and 16 deletions
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53
main.c
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@ -3,8 +3,11 @@
#include "raylib.h" #include "raylib.h"
#define MIN(a, b) (a) < (b) ? (a) : (b) #define MIN(a, b) ((a) < (b) ? (a) : (b))
#define MAX(a, b) (a) > (b) ? (a) : (b) #define MAX(a, b) ((a) > (b) ? (a) : (b))
#define ABS(a) ((a) < 0 ? -(a) : (a))
#define RAD_TO_DEG(rad) (rad) * (180 / PI)
typedef struct Vec2i { typedef struct Vec2i {
union { union {
@ -40,11 +43,7 @@ char *cardinal_text[CARDINAL_SIZE] = {
Vec2i screen = {.width = 1344, .height = 756}; Vec2i screen = {.width = 1344, .height = 756};
const int trap_len = 300; Rectangle trap;
Rectangle trap = {
.width = trap_len,
.height = trap_len,
};
Texture player_t; Texture player_t;
Vec2i player; Vec2i player;
@ -60,8 +59,10 @@ void handle_resize_window(void)
Vec2i old_screen = screen; Vec2i old_screen = screen;
screen.width = GetScreenWidth(); screen.width = GetScreenWidth();
screen.height = GetScreenHeight(); screen.height = GetScreenHeight();
trap.x = screen.width/2 - trap_len/2; trap.width = screen.width/5;
trap.y = screen.height/2 - trap_len/2; trap.height = screen.height/5;
trap.x = (int) (screen.width/2 - trap.width/2);
trap.y = (int) (screen.height/2 - trap.height/2);
player.x -= (old_screen.width - screen.width) / 2; player.x -= (old_screen.width - screen.width) / 2;
player.y -= (old_screen.height - screen.height) / 2; player.y -= (old_screen.height - screen.height) / 2;
map_coord.x -= (old_screen.width - screen.width) / 2; map_coord.x -= (old_screen.width - screen.width) / 2;
@ -177,6 +178,21 @@ void move_map(Vector2 *map, Cardinal direction, const int speed, const float DT)
} }
} }
float vector_angle(Vector2 base, Vector2 point)
{
float x = point.x - base.x;
float y = point.y - base.y;
int pad = 0;
if (x < 0 && y <= 0) {
pad = 180;
} else if (x < 0 && y >= 0) {
pad = 180;
} else if (x >= 0 && y >= 0) {
pad = 360;
}
return ABS(pad - RAD_TO_DEG(atan(y / x)));
}
int main(void) int main(void)
{ {
SetTraceLogLevel(LOG_ERROR); SetTraceLogLevel(LOG_ERROR);
@ -197,7 +213,7 @@ int main(void)
while (!WindowShouldClose()) { while (!WindowShouldClose()) {
BeginDrawing(); BeginDrawing();
{ {
ClearBackground(BLACK); ClearBackground(LIME);
const float DT = GetFrameTime(); const float DT = GetFrameTime();
if (IsWindowResized()) if (IsWindowResized())
@ -208,15 +224,22 @@ int main(void)
move_map(&map_coord, direction, player_speed, DT); move_map(&map_coord, direction, player_speed, DT);
} }
// map
DrawTextureEx(map, map_coord, 0.0f, map_factor, WHITE); DrawTextureEx(map, map_coord, 0.0f, map_factor, WHITE);
DrawTexture(
Vector2 mouse = GetMousePosition();
float angle = 450 - vector_angle((Vector2){player.x, player.y}, mouse);
// player
DrawTexturePro(
player_t, player_t,
player.x-player_t.width/2, (Rectangle) {0, 0, player_t.width, player_t.height},
player.y-player_t.height/2, (Rectangle) {player.x, player.y, player_t.width, player_t.height},
WHITE (Vector2) {player_t.width/2, player_t.height/2},
angle, WHITE
); );
// DrawRectangleLinesEx(trap, 1, RED); DrawRectangleLinesEx(trap, 1.0f, RED);
} }
EndDrawing(); EndDrawing();
} }