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cardinal movement

This commit is contained in:
_N3m0 2024-03-20 10:03:13 +01:00
parent 160fb1f7c7
commit 484fb46367
2 changed files with 72 additions and 8 deletions
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3
Makefile
View File

@ -3,5 +3,8 @@ $(shell mkdir -p build)
all:
gcc main.c -o build/main -lraylib
release:
gcc -O3 -DRELEASE main.c -o build/main -lraylib
run: all
./build/main

77
main.c
View File

@ -1,9 +1,11 @@
#include <stdio.h>
#include "raylib.h"
#define MIN(a, b) (a) < (b) ? (a) : (b)
#define MAX(a, b) (a) > (b) ? (a) : (b)
typedef struct {
typedef struct Vec2i {
union {
int x;
int width;
@ -14,6 +16,27 @@ typedef struct {
};
} Vec2i;
typedef enum Cardinal {
CARDINAL_BEGIN_NOT_AT_ZERO = 0,
NORD_OUEST, NORD, NORD_EST,
OUEST, EST,
SUD_OUEST, SUD, SUD_EST,
CARDINAL_SIZE,
} Cardinal;
#ifndef RELEASE
char *cardinal_text[CARDINAL_SIZE] = {
[NORD_OUEST] = "NORD OUEST",
[NORD] = "NORD",
[NORD_EST] = "NORD EST",
[OUEST] = "OUEST",
[EST] = "EST",
[SUD_OUEST] = "SUD OUEST",
[SUD] = "SUD",
[SUD_EST] = "SUD EST",
};
#endif
Vec2i screen = {.width = 1344, .height = 756};
const int trap_len = 200;
@ -44,7 +67,8 @@ int point_rec_collision(Vec2i point, Rectangle rec)
(point.y >= rec.y && point.y <= rec.y + rec.height);
}
int move_player_inside_trap(Vec2i *player, Rectangle trap, const int speed, const float delta_time)
int move_player_inside_trap(Vec2i *player, Rectangle trap,
const int speed, const float delta_time)
{
int step = speed * delta_time * 100;
@ -57,10 +81,44 @@ int move_player_inside_trap(Vec2i *player, Rectangle trap, const int speed, cons
return point_rec_collision(*player, trap);
}
void snap_player_inside_trap(Vec2i *player, const Rectangle trap)
Cardinal snap_player_inside_trap(Vec2i *player, const Rectangle trap)
{
player->x = MAX(MIN(player->x, trap.x + trap.width), trap.x);
player->y = MAX(MIN(player->y, trap.y + trap.height), trap.y);
Cardinal pushing = 0;
int bound_n = player->y < trap.y;
int bound_s = player->y > trap.y + trap.height;
int bound_e = player->x > trap.x + trap.width;
int bound_o = player->x < trap.x;
int bound_ne = bound_n && bound_e;
int bound_no = bound_n && bound_o;
int bound_se = bound_s && bound_e;
int bound_so = bound_s && bound_o;
if (bound_n) {
player->y = trap.y;
pushing = NORD;
} else if (bound_s) {
player->y = trap.y + trap.height;
pushing = SUD;
}
if (bound_e) {
player->x = trap.x + trap.width;
pushing = EST;
} else if (bound_o) {
player->x = trap.x;
pushing = OUEST;
}
if (bound_ne)
pushing = NORD_EST;
else if (bound_no)
pushing = NORD_OUEST;
else if (bound_se)
pushing = SUD_EST;
else if (bound_so)
pushing = SUD_OUEST;
return pushing;
}
int main(void)
@ -78,13 +136,16 @@ int main(void)
BeginDrawing();
{
ClearBackground(BLACK);
const float delta_time = GetFrameTime();
const float DT = GetFrameTime();
if (IsWindowResized())
handle_resize_window();
if (!move_player_inside_trap(&player, trap, player_speed, delta_time)) {
snap_player_inside_trap(&player, trap);
if (!move_player_inside_trap(&player, trap, player_speed, DT)) {
Cardinal direction = snap_player_inside_trap(&player, trap);
#ifndef RELEASE
printf("[%s]\n", cardinal_text[direction]);
#endif
}
DrawCircle(player.x, player.y, player_radius, BLUE);