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fix ball bouncing to bricks maths

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Quinn
2024-08-16 00:03:44 +02:00
parent f96218b28a
commit 5d53df673d
1 changed files with 9 additions and 6 deletions
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15
src/level.c
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@@ -88,9 +88,9 @@ static void update_ball(Level* level, Ball* ball, Bouncer* bouncer) {
} }
const float max_brick_x = brick->pos.x + BRICK_WIDTH; const float max_brick_x = brick->pos.x + BRICK_WIDTH;
const float max_brick_y = brick->pos.y + BRICK_HEIGHT; const float brick_max_y = brick->pos.y + BRICK_HEIGHT;
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 < brick_max_y && (ball->pos.y + ball->size) > brick->pos.y) {
level->bricks[x][y].destroyed = true; level->bricks[x][y].destroyed = true;
// skip changing direction of we already did // skip changing direction of we already did
@@ -98,12 +98,15 @@ static void update_ball(Level* level, Ball* ball, Bouncer* bouncer) {
continue; continue;
} }
// manage ball bounce direction //float ball_centre_x = ball->pos.x + (ball->size / 2.0F);
if (abs(ball->direction.x) <= abs(ball->direction.y)) { float ball_centre_y = ball->pos.y + (ball->size / 2.0F);
ball->direction.y *= -1;
// manage ball bounce direction; only bounce along the X axis if the ball's Y centre is in between dthe top and bottom of the block
if (brick->pos.y < ball_centre_y && ball_centre_y < brick_max_y) {
ball->direction.x *= -1;
} }
else { else {
ball->direction.x *= -1; ball->direction.y *= -1;
} }
collided = true; collided = true;