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Added ANGLE_MIN_OFFSET and ANGLE_MAX_OFFSET

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Pradana AUMARS 2021-06-28 16:04:41 +02:00
parent 5ced7d7ade
commit 5b18911111
2 changed files with 8 additions and 4 deletions
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10
src/ball.c
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@ -12,6 +12,8 @@ Ball_init(int screen_width, int screen_height, int posX_start)
*(int *)&b->BALL_WIDTH = 20;
*(int *)&b->BALL_HEIGHT = 20;
*(int *)&b->BALL_VELOCITY = 7;
*(int *)&b->BALL_ANGLE_MIN_OFFSET = 10;
*(int *)&b->BALL_ANGLE_MAX_OFFSET = 60;
*(int *)&b->BALL_POSX_START = posX_start;
*(int *)&b->SCREEN_WIDTH = screen_width;
*(int *)&b->SCREEN_HEIGHT = screen_height;
@ -24,8 +26,8 @@ Ball_reset(Ball *b, int direction) {
// 120 deg angle with norm horizontal vector
int angle;
do {
angle = rand() % 60 + 60;
} while (angle == 90);
angle = rand() % b->BALL_ANGLE_MAX_OFFSET*2 + b->BALL_ANGLE_MAX_OFFSET/2 - 90;
} while (-b->BALL_ANGLE_MIN_OFFSET <= angle && angle <= b->BALL_ANGLE_MIN_OFFSET);
if (direction < 0) {
b->posX = b->BALL_POSX_START;
}
@ -33,8 +35,8 @@ Ball_reset(Ball *b, int direction) {
b->posX = b->SCREEN_WIDTH - b->BALL_POSX_START;
}
b->posY = b->SCREEN_HEIGHT/2;
b->velX = direction * b->BALL_VELOCITY * cos(angle * 2 * M_PI / 180);
b->velY = b->BALL_VELOCITY * sin(angle * 2 * M_PI / 180);
b->velX = -direction * b->BALL_VELOCITY * cos(angle * M_PI / 180);
b->velY = b->BALL_VELOCITY * sin(angle * M_PI / 180);
}
void

2
src/ball.h
View File

@ -11,6 +11,8 @@ typedef struct Ball {
const int BALL_HEIGHT;
const int BALL_VELOCITY;
const int BALL_POSX_START;
const int BALL_ANGLE_MIN_OFFSET;
const int BALL_ANGLE_MAX_OFFSET;
const int SCREEN_WIDTH;
const int SCREEN_HEIGHT;
int posX;