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change bouncer hit angle

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Quinn
2024-06-10 22:13:49 +02:00
parent d28ebc81dd
commit 5289b233a9
2 changed files with 16 additions and 8 deletions
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5
src/constants.h
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@@ -2,6 +2,11 @@
#define SCREEN_WIDTH 960
#define SCREEN_HEIGHT 640
#define BOUNCER_HEIGHT 5
#define BOUNCER_WIDTH_DEFAULT 60
#define BALL_SIZE_DEFAULT 10
#define BALL_SPEED 0.3F
#define PI 3.14159265358979323846F // pi was being fucky! :D

19
src/level.c
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@@ -13,7 +13,7 @@ void level_init(Level* level) {
level->ball.pos.x = (SCREEN_WIDTH / 2) - (BALL_SIZE_DEFAULT / 2);
level->ball.pos.y = (SCREEN_HEIGHT / 2) - (BALL_SIZE_DEFAULT / 2);
level->ball.size = BALL_SIZE_DEFAULT;
level->ball.direction = (Vector2){ 0.2F, 0.2F };
level->ball.direction = (Vector2){ 0, BALL_SPEED};
// initialize bouncer
level->bouncer.pos.x = (SCREEN_WIDTH / 2) - (BOUNCER_WIDTH_DEFAULT / 2);
@@ -33,21 +33,19 @@ void level_update(Level* level, bool* keys) {
// if move bouncer LEFT
if (keys[SDLK_a]) {
bouncer->pos.x -= 0.5F;
ball->moving = true;
if (bouncer->pos.x == 0) {
bouncer->pos.x = SCREEN_WIDTH - bouncer->width;
if (bouncer->pos.x < 0 == false) {
bouncer->pos.x -= 0.5F;
}
}
// if move bouncer RIGHT
if (keys[SDLK_d]) {
bouncer->pos.x += 0.5F; // increase the bouncer pos
ball->moving = true;
if ((bouncer->pos.x + bouncer->width) > SCREEN_WIDTH) {
bouncer->pos.x = 1; //set the bouncer pos to 1
if ((bouncer->pos.x + bouncer->width) > SCREEN_WIDTH == false) {
bouncer->pos.x += 0.5F; // increase the bouncer pos
}
}
@@ -73,7 +71,12 @@ void level_update(Level* level, bool* keys) {
// check bouncer collisions
if ((ball->pos.x + ball->size) > bouncer->pos.x && ball->pos.x < (bouncer->pos.x + bouncer->width) &&
(ball->pos.y + ball->size) > bouncer->pos.y && ball->pos.y < (bouncer->pos.y + BOUNCER_HEIGHT)) {
ball->direction.y *= -1;
float x = ball->pos.x - bouncer->pos.x + (ball->size / 2);
unsigned max = bouncer->width;
float angle = (x - (0.5F * max)) / max * PI;
ball->direction.x = SDL_sinf(angle) * BALL_SPEED;
ball->direction.y = -SDL_cosf(angle) * BALL_SPEED;
}
// check lose condition