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fix ball collisions to be more accurate

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Quinn
2024-08-14 16:08:15 +02:00
parent 077af74e5c
commit fe344c40e8
1 changed files with 16 additions and 5 deletions
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21
src/level.c
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@@ -102,6 +102,7 @@ void level_update(Level* level, const Uint8* keys) {
} }
// check brick collisions // check brick collisions
bool collided = false;
for (int x = 0; x < BRICK_COLUMNS; x++) { for (int x = 0; x < BRICK_COLUMNS; x++) {
for (int y = 0; y < BRICK_ROWS; y++) { for (int y = 0; y < BRICK_ROWS; y++) {
const Brick* brick = &level->bricks[x][y]; const Brick* brick = &level->bricks[x][y];
@@ -115,19 +116,29 @@ void level_update(Level* level, const Uint8* keys) {
if (ball->pos.x < max_brick_x && (ball->pos.x + ball->size) > brick->pos.x && if (ball->pos.x < max_brick_x && (ball->pos.x + ball->size) > brick->pos.x &&
ball->pos.y < max_brick_y && (ball->pos.y + ball->size) > brick->pos.y) { ball->pos.y < max_brick_y && (ball->pos.y + ball->size) > brick->pos.y) {
// manage ball bounce direction float ball_abs_dir_x = abs(ball->direction.x);
if (ball->direction.x > ball->direction.y) { float ball_abs_dir_y = abs(ball->direction.y);
ball->direction.x *= -1;
level->bricks[x][y].destroyed = true;
// skip changing direction of we already did
if (collided == true) {
continue;
} }
if (ball->direction.x < ball->direction.y) {
// manage ball bounce direction
if (ball_abs_dir_x < ball_abs_dir_y) {
ball->direction.y *= -1; ball->direction.y *= -1;
} }
else if (ball_abs_dir_x > ball_abs_dir_y) {
ball->direction.x *= -1;
}
else { else {
ball->direction.x *= -1; ball->direction.x *= -1;
ball->direction.y *= -1; ball->direction.y *= -1;
} }
level->bricks[x][y].destroyed = true; collided = true;
} }
} }
} }