示例#1
0
void Urho2DConstraints::HandleTouchBegin3(StringHash eventType, VariantMap& eventData)
{
    Graphics* graphics = GetSubsystem<Graphics>();
    PhysicsWorld2D* physicsWorld = scene_->GetComponent<PhysicsWorld2D>();
    using namespace TouchBegin;
    RigidBody2D* rigidBody = physicsWorld->GetRigidBody(Vector2(eventData[P_X].GetInt(), eventData[P_Y].GetInt())); // Raycast for RigidBody2Ds to pick
    if (rigidBody)
    {
        pickedNode = rigidBody->GetNode();
        StaticSprite2D* staticSprite = pickedNode->GetComponent<StaticSprite2D>();
        staticSprite->SetColor(Color(1.0f, 0.0f, 0.0f, 1.0f)); // Temporary modify color of the picked sprite
        RigidBody2D* rigidBody = pickedNode->GetComponent<RigidBody2D>();

        // Create a ConstraintMouse2D - Temporary apply this constraint to the pickedNode to allow grasping and moving with touch
        ConstraintMouse2D* constraintMouse = pickedNode->CreateComponent<ConstraintMouse2D>();
        Vector3 pos = camera_->ScreenToWorldPoint(Vector3((float)eventData[P_X].GetInt() / graphics->GetWidth(), (float)eventData[P_Y].GetInt() / graphics->GetHeight(), 0.0f));
        constraintMouse->SetTarget(Vector2(pos.x_, pos.y_));
        constraintMouse->SetMaxForce(1000 * rigidBody->GetMass());
        constraintMouse->SetCollideConnected(true);
        constraintMouse->SetOtherBody(dummyBody);  // Use dummy body instead of rigidBody. It's better to create a dummy body automatically in ConstraintMouse2D
        constraintMouse->SetDampingRatio(0);
    }
    SubscribeToEvent(E_TOUCHMOVE, HANDLER(Urho2DConstraints, HandleTouchMove3));
    SubscribeToEvent(E_TOUCHEND, HANDLER(Urho2DConstraints, HandleTouchEnd3));
}
示例#2
0
void Urho2DConstraints::HandleMouseButtonDown(StringHash eventType, VariantMap& eventData)
{
    Input* input = GetSubsystem<Input>();
    PhysicsWorld2D* physicsWorld = scene_->GetComponent<PhysicsWorld2D>();
    RigidBody2D* rigidBody = physicsWorld->GetRigidBody(input->GetMousePosition().x_, input->GetMousePosition().y_, M_MAX_UNSIGNED, camera_); // Raycast for RigidBody2Ds to pick
    if (rigidBody)
    {
        pickedNode = rigidBody->GetNode();
        //log.Info(pickedNode.name);
        StaticSprite2D* staticSprite = pickedNode->GetComponent<StaticSprite2D>();
        staticSprite->SetColor(Color(1.0f, 0.0f, 0.0f, 1.0f)); // Temporary modify color of the picked sprite

        // Create a ConstraintMouse2D - Temporary apply this constraint to the pickedNode to allow grasping and moving with the mouse
        ConstraintMouse2D* constraintMouse = pickedNode->CreateComponent<ConstraintMouse2D>();
        constraintMouse->SetTarget(GetMousePositionXY());
        constraintMouse->SetMaxForce(1000 * rigidBody->GetMass());
        constraintMouse->SetCollideConnected(true);
        constraintMouse->SetOtherBody(dummyBody);  // Use dummy body instead of rigidBody. It's better to create a dummy body automatically in ConstraintMouse2D
        constraintMouse->SetDampingRatio(0.0f);
    }
    SubscribeToEvent(E_MOUSEMOVE, HANDLER(Urho2DConstraints, HandleMouseMove));
    SubscribeToEvent(E_MOUSEBUTTONUP, HANDLER(Urho2DConstraints, HandleMouseButtonUp));
}