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i_physics_simulator.h
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/****************************************************************
File name : i_physics_simulator.h
Author : 叶峰
Version : 1.0a
Create Date : 2013/11/27
Description : 物理模拟接口
*****************************************************************/
#ifndef __i_physics_simulator_H__
#define __i_physics_simulator_H__
// --------------------------------------------------------------------------------------
#include "../public/i_interface.h"
#include "../visual/fm_define.h"
#include "i_collision_shape.h"
#include "i_rigid_body.h"
#include "i_constraint.h"
#include "i_ragdoll.h"
// --------------------------------------------------------------------------------------
class IPhysicsSimulator : public IInterface
{
public:
// 上下高度的轴向
enum HeightAxis
{
HEIGHT_AXIS_X,
HEIGHT_AXIS_Y,
HEIGHT_AXIS_Z,
};
virtual ~IPhysicsSimulator() {};
// 启动动力学世界
virtual bool StartSimulator() = 0;
// 关闭动力学世界
virtual void StopSimulator() = 0;
// 是否就绪
virtual bool IsReady() const = 0;
// 设置全局重力
virtual void SetGravity(const FmVec3& vGravity) = 0;
// 设置是否使用连续物理(默认不开启)
virtual void SetUseContinuous(bool continuous) = 0;
/* 创建碰撞形 */
// 长方体
virtual ICollisionShape* CreateBoxCollisionShape(const FmVec3& vHalfExtend) = 0;
// 立方体
virtual ICollisionShape* CreateCubeCollisionShape(float fHalfExtend) = 0;
// 球体
virtual ICollisionShape* CreateSphereCollisionShape(float fRadius) = 0;
// 圆柱
virtual ICollisionShape* CreateCylinderCollisionShape(float fRadius, float fHeight, HeightAxis ha = HEIGHT_AXIS_Y) = 0;
// 胶囊体
virtual ICollisionShape* CreateCapsuleCollisionShape(float fRadius, float fHeight, HeightAxis ha = HEIGHT_AXIS_Y) = 0;
// 锥体
virtual ICollisionShape* CreateConeCollisionShape(float fRadius, float fHeight, HeightAxis ha = HEIGHT_AXIS_Y) = 0;
// 凸多面体
virtual ICollisionShape* CreateConvexCollisionShape(const void* vb, unsigned int verticesNum, unsigned int stride) = 0;
// 开始创建一个组合形
virtual void BeginCompoundCollisionShape(unsigned int count = 0) = 0;
// 为组合形添加子形状
virtual void AddChildCollisionShape(ICollisionShape* pShape, const FmMat4& mtx) = 0;
// 完成组合形的创建
virtual ICollisionShape* FinishCompoundCollisionShape() = 0;
// 索引类型(16位索引或32位索引)
enum IndexType
{
INDEX_INVALID = 0,
INDEX_16_BIT = 16,
INDEX_32_BIT = 32,
};
// 动态的Mesh
virtual ICollisionShape* CreateDynamicMeshCollisionShape(const void* vb, unsigned int verticesNum, unsigned int vertexStride,
const void* ib, unsigned int trianglesNum, unsigned int indexStride = 6, IndexType it = INDEX_16_BIT) = 0;
// 平面(只能生成静态刚体)
virtual ICollisionShape* CreatePlaneCollisionShape(const FmVec3& vNormal, float distance) = 0;
// 静态的Mesh(只能生成静态刚体)
virtual ICollisionShape* CreateStaticMeshCollisionShape(const void* vb, unsigned int verticesNum, unsigned int vertexStride,
const void* ib, unsigned int trianglesNum, unsigned int indexStride = 6, IndexType it = INDEX_16_BIT) = 0;
// 可缩放的静态Mesh(只能生成静态刚体)
virtual ICollisionShape* CreateStaticScaledMeshCollisionShape(ICollisionShape* pStaticMeshCollisionShape, const FmVec3& vScale) = 0;
// 地形
enum TerrainDataType
{
TDT_FLOAT,
TDT_DOUBLE,
TDT_INTEGER,
TDT_SHORT,
TDT_FIXEDPOINT88,
TDT_UCHAR,
};
virtual ICollisionShape* CreateTerrainCollisionShape(
unsigned int row, unsigned int col,
const void* heightfieldData, float heightScale,
float minHeight, float maxHeight,
TerrainDataType heightDataType,
bool flipQuadEdges = true, HeightAxis ha = HEIGHT_AXIS_Y) = 0;
// 创建刚体
// fMass小于等于0表示为静态刚体,并不是所有的碰撞形都能生成动态刚体
// mtx不能有缩放信息
virtual IRigidBody* CreateRigidBody(ICollisionShape* pShape, float fMass, const FmMat4& mtx, const FmVec3& vVelocity) = 0;
// 创建约束
virtual IConstraint* CreatePoint2PointConstraint(IRigidBody* rbA, IRigidBody* rbB, const Point2PointConstraintData& constraintData) = 0;
virtual IConstraint* CreatePoint2PointConstraint(IRigidBody* rbA, const Point2PointConstraintData& constraintData) = 0;
virtual IConstraint* CreateHingeConstraint(IRigidBody* rbA, IRigidBody* rbB, const HingeConstraintData& constraintData) = 0;
virtual IConstraint* CreateHingeConstraint(IRigidBody* rbA, const HingeConstraintData& constraintData) = 0;
virtual IConstraint* CreateConeTwistConstraint(IRigidBody* rbA, IRigidBody* rbB, const ConeTwistConstraintData& constraintData) = 0;
virtual IConstraint* CreateConeTwistConstraint(IRigidBody* rbA, const ConeTwistConstraintData& constraintData) = 0;
virtual IConstraint* CreateGeneric6DofConstraint(IRigidBody* rbA, IRigidBody* rbB, const Generic6DofConstraintData& constraintData) = 0;
virtual IConstraint* CreateGeneric6DofConstraint(IRigidBody* rbB, const Generic6DofConstraintData& constraintData) = 0;
virtual IConstraint* CreateGeneric6DofSpringConstraint(IRigidBody* rbA, IRigidBody* rbB, const Generic6DofSpringConstraintData& constraintData) = 0;
virtual IConstraint* CreateSliderConstraint(IRigidBody* rbA, IRigidBody* rbB, const SliderConstraintData& constraintData) = 0;
virtual IConstraint* CreateSliderConstraint(IRigidBody* rbB, const SliderConstraintData& constraintData) = 0;
virtual IConstraint* CreateGearConstraint(IRigidBody* rbA, IRigidBody* rbB, const GearConstraintData& constraintData) = 0;
virtual IConstraint* CreateFixConstraint(IRigidBody* rbA, IRigidBody* rbB, const FixConstraintData& constraintData) = 0;
// 创建RAGDOLL
virtual IRagdoll* CreateRagdoll(const FmVec3& vPos, float scale) = 0;
// 射线点选
virtual IRigidBody* RayTrace(
const FmVec3& vRayFrom, const FmVec3& vRayTo,
FmVec3* vPickPos = 0, FmVec3* vPickNor = 0) = 0;
// 暂停恢复
virtual void Pause(bool pause) = 0;
virtual bool IsPaused() const = 0;
// 调试信息的渲染
enum DebugDrawModes
{
DDM_NoDebug = 0,
DDM_DrawWireframe = 1,
DDM_DrawAabb = 2,
DDM_DrawFeaturesText = 4,
DDM_DrawContactPoints = 8,
DDM_NoDeactivation = 16,
DDM_NoHelpText = 32,
DDM_DrawText = 64,
DDM_ProfileTimings = 128,
DDM_EnableSatComparison = 256,
DDM_DisableBulletLCP = 512,
DDM_EnableCCD = 1024,
DDM_DrawConstraints = (1 << 11),
DDM_DrawConstraintLimits = (1 << 12),
DDM_FastWireframe = (1 << 13),
DDM_DrawNormals = (1 << 14),
DDM_MAX_DEBUG_DRAW_MODE
};
virtual void SetDebugDrawModes(int modes) = 0;
virtual int GetDebugDrawModes() const = 0;
virtual void DrawRigidBody(IRigidBody* pRigidBody, unsigned int color) = 0;
virtual void DrawDebug() = 0;
virtual performance_info_t* GetPerformance() = 0;
};
// --------------------------------------------------------------------------------------
#endif