void Sphere::move()
{
coord += step;
gravity();
if(collisionX()) flipX();
if(collisionY()) flipY();
}
void SideScroller::FixedUpdate() {
for (size_t i = 0; i < entities.size(); i++) {
// handle collisions
// collide with something on bottom
if (entities[i]->collidedBottom) {
entities[i]->isJumping = false;
entities[i]->velocity_y = 0.0f;
}
// collide with something on top
if (entities[i]->collidedTop){
entities[i]->velocity_y = 0.0f;
}
// collide with something on left
if (entities[i]->collidedLeft){
entities[i]->velocity_x = 0.0f;
}
// collide with something on right
if (entities[i]->collidedRight){
entities[i]->velocity_x = 0.0f;
}
// reset
entities[i]->collidedBottom = false;
entities[i]->collidedTop = false;
entities[i]->collidedLeft = false;
entities[i]->collidedRight = false;
// apply gravity
if (!entities[i]->isStatic) {
entities[i]->velocity_x += gravity_x * FIXED_TIMESTEP;
entities[i]->velocity_y += gravity_y * FIXED_TIMESTEP;
}
// apply friction
entities[i]->velocity_x = lerp(entities[i]->velocity_x, 0.0f, FIXED_TIMESTEP * entities[i]->friction_x);
entities[i]->velocity_y = lerp(entities[i]->velocity_y, 0.0f, FIXED_TIMESTEP * entities[i]->friction_y);
// apply acceleration
entities[i]->velocity_x += entities[i]->acceleration_x * FIXED_TIMESTEP;
entities[i]->velocity_y += entities[i]->acceleration_y * FIXED_TIMESTEP;
// update y values
entities[i]->y += entities[i]->velocity_y * FIXED_TIMESTEP;
// handle collision Y
collisionY(entities[i]);
// update x values
entities[i]->x += entities[i]->velocity_x * FIXED_TIMESTEP;
// handle collision X
collisionX(entities[i]);
}
}
ball_t moveBall(ball_t ballToMove) {
//check if ball is running into any of the side walls
if (collisionX(ballToMove.position.x)) {
ballToMove.velocity.x = -1*ballToMove.velocity.x;
}
ballToMove.position.x += ballToMove.velocity.x;
//check if the ball is running into the top or bottom and move the ball
if (collisionY(ballToMove.position.y)) {
ballToMove.velocity.y = -1*ballToMove.velocity.y;
}
ballToMove.position.y += ballToMove.velocity.y;
return ballToMove;
}
ball_t moveBall(ball_t ballToMove, paddle thePaddle) {
//check if the ball has collided with the paddle
if (collisionObjects(ballToMove, thePaddle)) {
ballToMove.velocity.x = -1*ballToMove.velocity.x;
}
//check if ball is running into any of the side walls
if (collisionX(ballToMove.position.x)) {
ballToMove.velocity.x = -1*ballToMove.velocity.x;
}
//check if the ball is running into the top or bottom and move the ball
if (collisionY(ballToMove.position.y)) {
ballToMove.velocity.y = -1*ballToMove.velocity.y;
}
ballToMove.position.y += ballToMove.velocity.y;
ballToMove.position.x += ballToMove.velocity.x;
return ballToMove;
}