Function game_logic

examples/collider.rs:115–221

(engine: &mut Engine, game_state: &mut GameState)

}

fn game_logic(engine: &mut Engine, game_state: &mut GameState) {
    // Zoom levels
    if engine.keyboard_state.just_pressed(KeyCode::Digit1) {
        game_state.scale = 1.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit2) {
        game_state.scale = 2.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit3) {
        game_state.scale = 3.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit4) {
        game_state.scale = 4.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit5) {
        game_state.scale = 5.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit6) {
        game_state.scale = 6.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit7) {
        game_state.scale = 7.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit8) {
        game_state.scale = 8.0;
    }
    if engine.keyboard_state.just_pressed(KeyCode::Digit9) {
        game_state.scale = 9.0;
    }
    // Update scale
    let sprite = engine.sprites.get_mut("sprite").unwrap();
    sprite.scale = game_state.scale;

    // Rotate
    if engine.mouse_state.pressed(MouseButton::Right) {
        sprite.rotation += engine.delta_f32 * 6.0;
    }
    // Delete collider
    if engine.keyboard_state.just_pressed(KeyCode::Delete)
        || engine.keyboard_state.just_pressed(KeyCode::Backspace)
    {
        sprite.collider = Collider::NoCollider;
        sprite.collider_dirty = true;
    }
    // Modify a collider point
    if engine.mouse_state.just_pressed(MouseButton::Left) {
        if let Some(location) = engine.mouse_state.location() {
            let location = (((location / game_state.scale) * 2.0).round() * 0.5) * game_state.scale;
            if engine
                .keyboard_state
                .pressed_any(&[KeyCode::ShiftLeft, KeyCode::ShiftRight])
            {
                sprite.change_last_collider_point(location);
            } else {
                sprite.add_collider_point(location);
            }
        }
    }