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o3de/Gems/LmbrCentral/Code/Source/Shape/ShapeDisplay.h

52 lines
1.8 KiB
C++

/*
* Copyright (c) Contributors to the Open 3D Engine Project.
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
*
* SPDX-License-Identifier: Apache-2.0 OR MIT
*
*/
#pragma once
#include <AzCore/Math/Color.h>
#include <AzFramework/Entity/EntityDebugDisplayBus.h>
#include <AzFramework/Viewport/ViewportColors.h>
#include <LmbrCentral/Shape/ShapeComponentBus.h>
namespace LmbrCentral
{
const ShapeDrawParams g_defaultShapeDrawParams = {
AzFramework::ViewportColors::DeselectedColor,
AzFramework::ViewportColors::WireColor,
true
};
/// @brief Helper function to be used when drawing debug shapes - called from DisplayEntity on
/// the EntityDebugDisplayEventBus.
/// @param handled Did we display anything.
/// @param canDraw Functor to decide should the shape be drawn or not.
/// @param drawShape Functor to draw a specific shape (box/capsule/sphere etc).
/// @param worldFromLocal Transform of object in world space, push to matrix stack and render shape in local space.
template<typename CanDraw, typename DrawShape>
void DisplayShape(
AzFramework::DebugDisplayRequests& debugDisplay,
CanDraw&& canDraw, DrawShape&& drawShape, const AZ::Transform& worldFromLocal)
{
if (!canDraw())
{
return;
}
// only uniform scale is supported in physics so the debug visuals reflect this fact
AZ::Transform worldFromLocalWithUniformScale = worldFromLocal;
worldFromLocalWithUniformScale.SetUniformScale(worldFromLocalWithUniformScale.GetUniformScale());
debugDisplay.PushMatrix(worldFromLocalWithUniformScale);
drawShape(debugDisplay);
debugDisplay.PopMatrix();
}
} // namespace LmbrCentral