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87 lines
4.0 KiB
C++
87 lines
4.0 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#pragma once
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#include <AzCore/Component/TransformBus.h>
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#include <LmbrCentral/Shape/ShapeComponentBus.h>
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#include <LmbrCentral/Shape/CapsuleShapeComponentBus.h>
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namespace LmbrCentral
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{
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extern const AZ::u32 g_capsuleDebugShapeSides;
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extern const AZ::u32 g_capsuleDebugShapeCapSegments;
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class CapsuleShape
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: public ShapeComponentRequestsBus::Handler
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, public CapsuleShapeComponentRequestsBus::Handler
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, public AZ::TransformNotificationBus::Handler
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{
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public:
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AZ_CLASS_ALLOCATOR(CapsuleShape, AZ::SystemAllocator, 0)
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AZ_RTTI(CapsuleShape, "{5184EF7A-CD81-4A04-BBF3-86BDAB726E67}")
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static void Reflect(AZ::ReflectContext* context);
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void Activate(AZ::EntityId entityId);
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void Deactivate();
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void InvalidateCache(InvalidateShapeCacheReason reason);
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// ShapeComponentRequestsBus::Handler
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AZ::Crc32 GetShapeType() override { return AZ_CRC("Capsule", 0xc268a183); }
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AZ::Aabb GetEncompassingAabb() override;
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void GetTransformAndLocalBounds(AZ::Transform& transform, AZ::Aabb& bounds) override;
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bool IsPointInside(const AZ::Vector3& point) override;
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float DistanceSquaredFromPoint(const AZ::Vector3& point) override;
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bool IntersectRay(const AZ::Vector3& src, const AZ::Vector3& dir, float& distance) override;
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// CapsuleShapeComponentRequestsBus::Handler
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CapsuleShapeConfig GetCapsuleConfiguration() override { return m_capsuleShapeConfig; }
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void SetHeight(float height) override;
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void SetRadius(float radius) override;
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CapsuleInternalEndPoints GetCapsulePoints() override;
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float GetHeight() override;
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float GetRadius() override;
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// AZ::TransformNotificationBus::Handler
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void OnTransformChanged(const AZ::Transform& local, const AZ::Transform& world) override;
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const CapsuleShapeConfig& GetCapsuleConfiguration() const { return m_capsuleShapeConfig; }
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void SetCapsuleConfiguration(const CapsuleShapeConfig& capsuleShapeConfig) { m_capsuleShapeConfig = capsuleShapeConfig; }
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const AZ::Transform& GetCurrentTransform() const { return m_currentTransform; }
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protected:
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friend class EditorCapsuleShapeComponent;
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CapsuleShapeConfig& ModifyCapsuleConfiguration() { return m_capsuleShapeConfig; }
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private:
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/// Runtime data - cache potentially expensive operations.
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class CapsuleIntersectionDataCache : public IntersectionTestDataCache<CapsuleShapeConfig>
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{
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void UpdateIntersectionParamsImpl(
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const AZ::Transform& currentTransform, const CapsuleShapeConfig& configuration,
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const AZ::Vector3& currentNonUniformScale = AZ::Vector3::CreateOne()) override;
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friend class CapsuleShape;
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AZ::Vector3 m_basePlaneCenterPoint; ///< The base end-point of the cylinder inside the capsule.
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AZ::Vector3 m_topPlaneCenterPoint; ///< The top end-point of the cylinder inside the capsule.
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AZ::Vector3 m_axisVector; ///< A unit vector along the axis of this capsule (including entity scale).
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float m_internalHeight = 0.0f; ///< Internal height of the cylinder (total height, minus end caps) (including entity scale).
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float m_radius = 0.0f; ///< Radius of the capsule (including entity scale).
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bool m_isSphere = false; ///< Indicates whether the cylinder is actually just a sphere.
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};
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CapsuleShapeConfig m_capsuleShapeConfig; ///< Underlying capsule configuration.
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CapsuleIntersectionDataCache m_intersectionDataCache; ///< Caches transient intersection data.
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AZ::Transform m_currentTransform; ///< Caches the current World transform.
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AZ::EntityId m_entityId; ///< Id of the entity the shape is attached to.
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};
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} // namespace LmbrCentral
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