func (game *Game) updateBoards() {
var board1velocity, board2velocity gt2d.Vector2D
if game.keysDown[wde.KeyW] {
board1velocity.Y = -game.Board1.MaxVelocity
} else if game.keysDown[wde.KeyS] {
board1velocity.Y = game.Board1.MaxVelocity
}
if game.keysDown[wde.KeyD] {
board1velocity.X = game.Board1.MaxVelocity
} else if game.keysDown[wde.KeyA] {
board1velocity.X = -game.Board1.MaxVelocity
}
if game.keysDown[wde.KeyUpArrow] {
board2velocity.Y = -game.Board2.MaxVelocity
} else if game.keysDown[wde.KeyDownArrow] {
board2velocity.Y = game.Board2.MaxVelocity
}
if game.keysDown[wde.KeyLeftArrow] {
board2velocity.X = -game.Board2.MaxVelocity
} else if game.keysDown[wde.KeyRightArrow] {
board2velocity.X = game.Board2.MaxVelocity
}
game.Board1.Move(board1velocity)
game.Board2.Move(board2velocity)
}
// For our shitty simulator, v1 won't change. v2 gets reflected and some extra
// speed added. The MAX V is 15 15.
func collideAndChangeVelocity(v1 *gt2d.Vector2D, v2 *gt2d.Vector2D) {
x := abs(v2.X) + abs(v1.X)/4
y := v2.Y + v1.Y/2
if x > MAX_BULLET_V {
x = MAX_BULLET_V
}
// so bad. We need a limit functionality.
if y > MAX_BULLET_V {
y = 15
} else if y < -MAX_BULLET_V {
y = -MAX_BULLET_V
}
if v2.X < 0 {
v2.X = x
} else {
v2.X = -x
}
v2.Y = y
}