diff options
Diffstat (limited to 'extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp')
| -rw-r--r-- | extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp | 643 |
1 files changed, 321 insertions, 322 deletions
diff --git a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp index 88018b4c624..f8fb0aa9fda 100644 --- a/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp +++ b/extern/bullet2/src/BulletCollision/CollisionShapes/btConvexShape.cpp @@ -13,9 +13,9 @@ subject to the following restrictions: 3. This notice may not be removed or altered from any source distribution. */ -//#if defined (_WIN32) || defined (__i386__) -//#define BT_USE_SSE_IN_API -//#endif +#if defined(_WIN32) || defined(__i386__) +#define BT_USE_SSE_IN_API +#endif #include "btConvexShape.h" #include "btTriangleShape.h" @@ -27,30 +27,28 @@ subject to the following restrictions: #include "btConvexPointCloudShape.h" ///not supported on IBM SDK, until we fix the alignment of btVector3 -#if defined (__CELLOS_LV2__) && defined (__SPU__) +#if defined(__CELLOS_LV2__) && defined(__SPU__) #include <spu_intrinsics.h> -static inline vec_float4 vec_dot3( vec_float4 vec0, vec_float4 vec1 ) +static inline vec_float4 vec_dot3(vec_float4 vec0, vec_float4 vec1) { - vec_float4 result; - result = spu_mul( vec0, vec1 ); - result = spu_madd( spu_rlqwbyte( vec0, 4 ), spu_rlqwbyte( vec1, 4 ), result ); - return spu_madd( spu_rlqwbyte( vec0, 8 ), spu_rlqwbyte( vec1, 8 ), result ); + vec_float4 result; + result = spu_mul(vec0, vec1); + result = spu_madd(spu_rlqwbyte(vec0, 4), spu_rlqwbyte(vec1, 4), result); + return spu_madd(spu_rlqwbyte(vec0, 8), spu_rlqwbyte(vec1, 8), result); } -#endif //__SPU__ +#endif //__SPU__ -btConvexShape::btConvexShape () +btConvexShape::btConvexShape() { } btConvexShape::~btConvexShape() { - } - -void btConvexShape::project(const btTransform& trans, const btVector3& dir, btScalar& min, btScalar& max, btVector3& witnesPtMin,btVector3& witnesPtMax) const +void btConvexShape::project(const btTransform& trans, const btVector3& dir, btScalar& min, btScalar& max, btVector3& witnesPtMin, btVector3& witnesPtMax) const { - btVector3 localAxis = dir*trans.getBasis(); + btVector3 localAxis = dir * trans.getBasis(); btVector3 vtx1 = trans(localGetSupportingVertex(localAxis)); btVector3 vtx2 = trans(localGetSupportingVertex(-localAxis)); @@ -58,8 +56,8 @@ void btConvexShape::project(const btTransform& trans, const btVector3& dir, btSc max = vtx2.dot(dir); witnesPtMax = vtx2; witnesPtMin = vtx1; - - if(min>max) + + if (min > max) { btScalar tmp = min; min = max; @@ -69,391 +67,392 @@ void btConvexShape::project(const btTransform& trans, const btVector3& dir, btSc } } - -static btVector3 convexHullSupport (const btVector3& localDirOrg, const btVector3* points, int numPoints, const btVector3& localScaling) -{ - +static btVector3 convexHullSupport(const btVector3& localDirOrg, const btVector3* points, int numPoints, const btVector3& localScaling) +{ btVector3 vec = localDirOrg * localScaling; -#if defined (__CELLOS_LV2__) && defined (__SPU__) +#if defined(__CELLOS_LV2__) && defined(__SPU__) btVector3 localDir = vec; - vec_float4 v_distMax = {-FLT_MAX,0,0,0}; - vec_int4 v_idxMax = {-999,0,0,0}; - int v=0; + vec_float4 v_distMax = {-FLT_MAX, 0, 0, 0}; + vec_int4 v_idxMax = {-999, 0, 0, 0}; + int v = 0; int numverts = numPoints; - for(;v<(int)numverts-4;v+=4) { - vec_float4 p0 = vec_dot3(points[v ].get128(),localDir.get128()); - vec_float4 p1 = vec_dot3(points[v+1].get128(),localDir.get128()); - vec_float4 p2 = vec_dot3(points[v+2].get128(),localDir.get128()); - vec_float4 p3 = vec_dot3(points[v+3].get128(),localDir.get128()); - const vec_int4 i0 = {v ,0,0,0}; - const vec_int4 i1 = {v+1,0,0,0}; - const vec_int4 i2 = {v+2,0,0,0}; - const vec_int4 i3 = {v+3,0,0,0}; - vec_uint4 retGt01 = spu_cmpgt(p0,p1); - vec_float4 pmax01 = spu_sel(p1,p0,retGt01); - vec_int4 imax01 = spu_sel(i1,i0,retGt01); - vec_uint4 retGt23 = spu_cmpgt(p2,p3); - vec_float4 pmax23 = spu_sel(p3,p2,retGt23); - vec_int4 imax23 = spu_sel(i3,i2,retGt23); - vec_uint4 retGt0123 = spu_cmpgt(pmax01,pmax23); - vec_float4 pmax0123 = spu_sel(pmax23,pmax01,retGt0123); - vec_int4 imax0123 = spu_sel(imax23,imax01,retGt0123); - vec_uint4 retGtMax = spu_cmpgt(v_distMax,pmax0123); - v_distMax = spu_sel(pmax0123,v_distMax,retGtMax); - v_idxMax = spu_sel(imax0123,v_idxMax,retGtMax); + for (; v < (int)numverts - 4; v += 4) + { + vec_float4 p0 = vec_dot3(points[v].get128(), localDir.get128()); + vec_float4 p1 = vec_dot3(points[v + 1].get128(), localDir.get128()); + vec_float4 p2 = vec_dot3(points[v + 2].get128(), localDir.get128()); + vec_float4 p3 = vec_dot3(points[v + 3].get128(), localDir.get128()); + const vec_int4 i0 = {v, 0, 0, 0}; + const vec_int4 i1 = {v + 1, 0, 0, 0}; + const vec_int4 i2 = {v + 2, 0, 0, 0}; + const vec_int4 i3 = {v + 3, 0, 0, 0}; + vec_uint4 retGt01 = spu_cmpgt(p0, p1); + vec_float4 pmax01 = spu_sel(p1, p0, retGt01); + vec_int4 imax01 = spu_sel(i1, i0, retGt01); + vec_uint4 retGt23 = spu_cmpgt(p2, p3); + vec_float4 pmax23 = spu_sel(p3, p2, retGt23); + vec_int4 imax23 = spu_sel(i3, i2, retGt23); + vec_uint4 retGt0123 = spu_cmpgt(pmax01, pmax23); + vec_float4 pmax0123 = spu_sel(pmax23, pmax01, retGt0123); + vec_int4 imax0123 = spu_sel(imax23, imax01, retGt0123); + vec_uint4 retGtMax = spu_cmpgt(v_distMax, pmax0123); + v_distMax = spu_sel(pmax0123, v_distMax, retGtMax); + v_idxMax = spu_sel(imax0123, v_idxMax, retGtMax); } - for(;v<(int)numverts;v++) { - vec_float4 p = vec_dot3(points[v].get128(),localDir.get128()); - const vec_int4 i = {v,0,0,0}; - vec_uint4 retGtMax = spu_cmpgt(v_distMax,p); - v_distMax = spu_sel(p,v_distMax,retGtMax); - v_idxMax = spu_sel(i,v_idxMax,retGtMax); + for (; v < (int)numverts; v++) + { + vec_float4 p = vec_dot3(points[v].get128(), localDir.get128()); + const vec_int4 i = {v, 0, 0, 0}; + vec_uint4 retGtMax = spu_cmpgt(v_distMax, p); + v_distMax = spu_sel(p, v_distMax, retGtMax); + v_idxMax = spu_sel(i, v_idxMax, retGtMax); } - int ptIndex = spu_extract(v_idxMax,0); - const btVector3& supVec= points[ptIndex] * localScaling; + int ptIndex = spu_extract(v_idxMax, 0); + const btVector3& supVec = points[ptIndex] * localScaling; return supVec; #else - btScalar maxDot; - long ptIndex = vec.maxDot( points, numPoints, maxDot); + btScalar maxDot; + long ptIndex = vec.maxDot(points, numPoints, maxDot); btAssert(ptIndex >= 0); + if (ptIndex < 0) + { + ptIndex = 0; + } btVector3 supVec = points[ptIndex] * localScaling; return supVec; -#endif //__SPU__ +#endif //__SPU__ } -btVector3 btConvexShape::localGetSupportVertexWithoutMarginNonVirtual (const btVector3& localDir) const +btVector3 btConvexShape::localGetSupportVertexWithoutMarginNonVirtual(const btVector3& localDir) const { switch (m_shapeType) { - case SPHERE_SHAPE_PROXYTYPE: - { - return btVector3(0,0,0); - } - case BOX_SHAPE_PROXYTYPE: - { - btBoxShape* convexShape = (btBoxShape*)this; - const btVector3& halfExtents = convexShape->getImplicitShapeDimensions(); - -#if defined( __APPLE__ ) && (defined( BT_USE_SSE )||defined( BT_USE_NEON )) - #if defined( BT_USE_SSE ) - return btVector3( _mm_xor_ps( _mm_and_ps( localDir.mVec128, (__m128){-0.0f, -0.0f, -0.0f, -0.0f }), halfExtents.mVec128 )); - #elif defined( BT_USE_NEON ) - return btVector3( (float32x4_t) (((uint32x4_t) localDir.mVec128 & (uint32x4_t){ 0x80000000, 0x80000000, 0x80000000, 0x80000000}) ^ (uint32x4_t) halfExtents.mVec128 )); - #else - #error unknown vector arch - #endif -#else - return btVector3(btFsels(localDir.x(), halfExtents.x(), -halfExtents.x()), - btFsels(localDir.y(), halfExtents.y(), -halfExtents.y()), - btFsels(localDir.z(), halfExtents.z(), -halfExtents.z())); -#endif - } - case TRIANGLE_SHAPE_PROXYTYPE: - { - btTriangleShape* triangleShape = (btTriangleShape*)this; - btVector3 dir(localDir.getX(),localDir.getY(),localDir.getZ()); - btVector3* vertices = &triangleShape->m_vertices1[0]; - btVector3 dots = dir.dot3(vertices[0], vertices[1], vertices[2]); - btVector3 sup = vertices[dots.maxAxis()]; - return btVector3(sup.getX(),sup.getY(),sup.getZ()); - } - case CYLINDER_SHAPE_PROXYTYPE: - { - btCylinderShape* cylShape = (btCylinderShape*)this; - //mapping of halfextents/dimension onto radius/height depends on how cylinder local orientation is (upAxis) - - btVector3 halfExtents = cylShape->getImplicitShapeDimensions(); - btVector3 v(localDir.getX(),localDir.getY(),localDir.getZ()); - int cylinderUpAxis = cylShape->getUpAxis(); - int XX(1),YY(0),ZZ(2); - - switch (cylinderUpAxis) + case SPHERE_SHAPE_PROXYTYPE: { - case 0: - { - XX = 1; - YY = 0; - ZZ = 2; + return btVector3(0, 0, 0); } - break; - case 1: + case BOX_SHAPE_PROXYTYPE: { - XX = 0; - YY = 1; - ZZ = 2; + btBoxShape* convexShape = (btBoxShape*)this; + const btVector3& halfExtents = convexShape->getImplicitShapeDimensions(); + +#if defined(__APPLE__) && (defined(BT_USE_SSE) || defined(BT_USE_NEON)) +#if defined(BT_USE_SSE) + return btVector3(_mm_xor_ps(_mm_and_ps(localDir.mVec128, (__m128){-0.0f, -0.0f, -0.0f, -0.0f}), halfExtents.mVec128)); +#elif defined(BT_USE_NEON) + return btVector3((float32x4_t)(((uint32x4_t)localDir.mVec128 & (uint32x4_t){0x80000000, 0x80000000, 0x80000000, 0x80000000}) ^ (uint32x4_t)halfExtents.mVec128)); +#else +#error unknown vector arch +#endif +#else + return btVector3(btFsels(localDir.x(), halfExtents.x(), -halfExtents.x()), + btFsels(localDir.y(), halfExtents.y(), -halfExtents.y()), + btFsels(localDir.z(), halfExtents.z(), -halfExtents.z())); +#endif } - break; - case 2: + case TRIANGLE_SHAPE_PROXYTYPE: { - XX = 0; - YY = 2; - ZZ = 1; - + btTriangleShape* triangleShape = (btTriangleShape*)this; + btVector3 dir(localDir.getX(), localDir.getY(), localDir.getZ()); + btVector3* vertices = &triangleShape->m_vertices1[0]; + btVector3 dots = dir.dot3(vertices[0], vertices[1], vertices[2]); + btVector3 sup = vertices[dots.maxAxis()]; + return btVector3(sup.getX(), sup.getY(), sup.getZ()); } - break; - default: - btAssert(0); - break; - }; - - btScalar radius = halfExtents[XX]; - btScalar halfHeight = halfExtents[cylinderUpAxis]; + case CYLINDER_SHAPE_PROXYTYPE: + { + btCylinderShape* cylShape = (btCylinderShape*)this; + //mapping of halfextents/dimension onto radius/height depends on how cylinder local orientation is (upAxis) - btVector3 tmp; - btScalar d ; + btVector3 halfExtents = cylShape->getImplicitShapeDimensions(); + btVector3 v(localDir.getX(), localDir.getY(), localDir.getZ()); + int cylinderUpAxis = cylShape->getUpAxis(); + int XX(1), YY(0), ZZ(2); - btScalar s = btSqrt(v[XX] * v[XX] + v[ZZ] * v[ZZ]); - if (s != btScalar(0.0)) - { - d = radius / s; - tmp[XX] = v[XX] * d; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = v[ZZ] * d; - return btVector3(tmp.getX(),tmp.getY(),tmp.getZ()); - } else { - tmp[XX] = radius; - tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; - tmp[ZZ] = btScalar(0.0); - return btVector3(tmp.getX(),tmp.getY(),tmp.getZ()); + switch (cylinderUpAxis) + { + case 0: + { + XX = 1; + YY = 0; + ZZ = 2; + } + break; + case 1: + { + XX = 0; + YY = 1; + ZZ = 2; + } + break; + case 2: + { + XX = 0; + YY = 2; + ZZ = 1; + } + break; + default: + btAssert(0); + break; + }; + + btScalar radius = halfExtents[XX]; + btScalar halfHeight = halfExtents[cylinderUpAxis]; + + btVector3 tmp; + btScalar d; + + btScalar s = btSqrt(v[XX] * v[XX] + v[ZZ] * v[ZZ]); + if (s != btScalar(0.0)) + { + d = radius / s; + tmp[XX] = v[XX] * d; + tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; + tmp[ZZ] = v[ZZ] * d; + return btVector3(tmp.getX(), tmp.getY(), tmp.getZ()); + } + else + { + tmp[XX] = radius; + tmp[YY] = v[YY] < 0.0 ? -halfHeight : halfHeight; + tmp[ZZ] = btScalar(0.0); + return btVector3(tmp.getX(), tmp.getY(), tmp.getZ()); + } } - } - case CAPSULE_SHAPE_PROXYTYPE: - { - btVector3 vec0(localDir.getX(),localDir.getY(),localDir.getZ()); + case CAPSULE_SHAPE_PROXYTYPE: + { + btVector3 vec0(localDir.getX(), localDir.getY(), localDir.getZ()); - btCapsuleShape* capsuleShape = (btCapsuleShape*)this; - btScalar halfHeight = capsuleShape->getHalfHeight(); - int capsuleUpAxis = capsuleShape->getUpAxis(); + btCapsuleShape* capsuleShape = (btCapsuleShape*)this; + btScalar halfHeight = capsuleShape->getHalfHeight(); + int capsuleUpAxis = capsuleShape->getUpAxis(); - btScalar radius = capsuleShape->getRadius(); - btVector3 supVec(0,0,0); + btVector3 supVec(0, 0, 0); - btScalar maxDot(btScalar(-BT_LARGE_FLOAT)); + btScalar maxDot(btScalar(-BT_LARGE_FLOAT)); - btVector3 vec = vec0; - btScalar lenSqr = vec.length2(); - if (lenSqr < btScalar(0.0001)) - { - vec.setValue(1,0,0); - } else - { - btScalar rlen = btScalar(1.) / btSqrt(lenSqr ); - vec *= rlen; - } - btVector3 vtx; - btScalar newDot; - { - btVector3 pos(0,0,0); - pos[capsuleUpAxis] = halfHeight; + btVector3 vec = vec0; + btScalar lenSqr = vec.length2(); + if (lenSqr < SIMD_EPSILON * SIMD_EPSILON) + { + vec.setValue(1, 0, 0); + } + else + { + btScalar rlen = btScalar(1.) / btSqrt(lenSqr); + vec *= rlen; + } + btVector3 vtx; + btScalar newDot; + { + btVector3 pos(0, 0, 0); + pos[capsuleUpAxis] = halfHeight; - //vtx = pos +vec*(radius); - vtx = pos +vec*(radius) - vec * capsuleShape->getMarginNV(); - newDot = vec.dot(vtx); - + vtx = pos; + newDot = vec.dot(vtx); - if (newDot > maxDot) + if (newDot > maxDot) + { + maxDot = newDot; + supVec = vtx; + } + } { - maxDot = newDot; - supVec = vtx; + btVector3 pos(0, 0, 0); + pos[capsuleUpAxis] = -halfHeight; + + vtx = pos; + newDot = vec.dot(vtx); + if (newDot > maxDot) + { + maxDot = newDot; + supVec = vtx; + } } + return btVector3(supVec.getX(), supVec.getY(), supVec.getZ()); } + case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE: { - btVector3 pos(0,0,0); - pos[capsuleUpAxis] = -halfHeight; - - //vtx = pos +vec*(radius); - vtx = pos +vec*(radius) - vec * capsuleShape->getMarginNV(); - newDot = vec.dot(vtx); - if (newDot > maxDot) - { - maxDot = newDot; - supVec = vtx; - } + btConvexPointCloudShape* convexPointCloudShape = (btConvexPointCloudShape*)this; + btVector3* points = convexPointCloudShape->getUnscaledPoints(); + int numPoints = convexPointCloudShape->getNumPoints(); + return convexHullSupport(localDir, points, numPoints, convexPointCloudShape->getLocalScalingNV()); } - return btVector3(supVec.getX(),supVec.getY(),supVec.getZ()); - } - case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE: - { - btConvexPointCloudShape* convexPointCloudShape = (btConvexPointCloudShape*)this; - btVector3* points = convexPointCloudShape->getUnscaledPoints (); - int numPoints = convexPointCloudShape->getNumPoints (); - return convexHullSupport (localDir, points, numPoints,convexPointCloudShape->getLocalScalingNV()); - } - case CONVEX_HULL_SHAPE_PROXYTYPE: - { - btConvexHullShape* convexHullShape = (btConvexHullShape*)this; - btVector3* points = convexHullShape->getUnscaledPoints(); - int numPoints = convexHullShape->getNumPoints (); - return convexHullSupport (localDir, points, numPoints,convexHullShape->getLocalScalingNV()); - } - default: + case CONVEX_HULL_SHAPE_PROXYTYPE: + { + btConvexHullShape* convexHullShape = (btConvexHullShape*)this; + btVector3* points = convexHullShape->getUnscaledPoints(); + int numPoints = convexHullShape->getNumPoints(); + return convexHullSupport(localDir, points, numPoints, convexHullShape->getLocalScalingNV()); + } + default: #ifndef __SPU__ - return this->localGetSupportingVertexWithoutMargin (localDir); + return this->localGetSupportingVertexWithoutMargin(localDir); #else - btAssert (0); + btAssert(0); #endif } // should never reach here - btAssert (0); - return btVector3 (btScalar(0.0f), btScalar(0.0f), btScalar(0.0f)); + btAssert(0); + return btVector3(btScalar(0.0f), btScalar(0.0f), btScalar(0.0f)); } -btVector3 btConvexShape::localGetSupportVertexNonVirtual (const btVector3& localDir) const +btVector3 btConvexShape::localGetSupportVertexNonVirtual(const btVector3& localDir) const { btVector3 localDirNorm = localDir; - if (localDirNorm .length2() < (SIMD_EPSILON*SIMD_EPSILON)) + if (localDirNorm.length2() < (SIMD_EPSILON * SIMD_EPSILON)) { - localDirNorm.setValue(btScalar(-1.),btScalar(-1.),btScalar(-1.)); + localDirNorm.setValue(btScalar(-1.), btScalar(-1.), btScalar(-1.)); } - localDirNorm.normalize (); + localDirNorm.normalize(); - return localGetSupportVertexWithoutMarginNonVirtual(localDirNorm)+ getMarginNonVirtual() * localDirNorm; + return localGetSupportVertexWithoutMarginNonVirtual(localDirNorm) + getMarginNonVirtual() * localDirNorm; } /* TODO: This should be bumped up to btCollisionShape () */ -btScalar btConvexShape::getMarginNonVirtual () const +btScalar btConvexShape::getMarginNonVirtual() const { switch (m_shapeType) { - case SPHERE_SHAPE_PROXYTYPE: - { - btSphereShape* sphereShape = (btSphereShape*)this; - return sphereShape->getRadius (); - } - case BOX_SHAPE_PROXYTYPE: - { - btBoxShape* convexShape = (btBoxShape*)this; - return convexShape->getMarginNV (); - } - case TRIANGLE_SHAPE_PROXYTYPE: - { - btTriangleShape* triangleShape = (btTriangleShape*)this; - return triangleShape->getMarginNV (); - } - case CYLINDER_SHAPE_PROXYTYPE: - { - btCylinderShape* cylShape = (btCylinderShape*)this; - return cylShape->getMarginNV(); - } - case CONE_SHAPE_PROXYTYPE: - { - btConeShape* conShape = (btConeShape*)this; - return conShape->getMarginNV(); - } - case CAPSULE_SHAPE_PROXYTYPE: - { - btCapsuleShape* capsuleShape = (btCapsuleShape*)this; - return capsuleShape->getMarginNV(); - } - case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE: - /* fall through */ - case CONVEX_HULL_SHAPE_PROXYTYPE: - { - btPolyhedralConvexShape* convexHullShape = (btPolyhedralConvexShape*)this; - return convexHullShape->getMarginNV(); - } - default: + case SPHERE_SHAPE_PROXYTYPE: + { + btSphereShape* sphereShape = (btSphereShape*)this; + return sphereShape->getRadius(); + } + case BOX_SHAPE_PROXYTYPE: + { + btBoxShape* convexShape = (btBoxShape*)this; + return convexShape->getMarginNV(); + } + case TRIANGLE_SHAPE_PROXYTYPE: + { + btTriangleShape* triangleShape = (btTriangleShape*)this; + return triangleShape->getMarginNV(); + } + case CYLINDER_SHAPE_PROXYTYPE: + { + btCylinderShape* cylShape = (btCylinderShape*)this; + return cylShape->getMarginNV(); + } + case CONE_SHAPE_PROXYTYPE: + { + btConeShape* conShape = (btConeShape*)this; + return conShape->getMarginNV(); + } + case CAPSULE_SHAPE_PROXYTYPE: + { + btCapsuleShape* capsuleShape = (btCapsuleShape*)this; + return capsuleShape->getMarginNV(); + } + case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE: + /* fall through */ + case CONVEX_HULL_SHAPE_PROXYTYPE: + { + btPolyhedralConvexShape* convexHullShape = (btPolyhedralConvexShape*)this; + return convexHullShape->getMarginNV(); + } + default: #ifndef __SPU__ - return this->getMargin (); + return this->getMargin(); #else - btAssert (0); + btAssert(0); #endif } // should never reach here - btAssert (0); + btAssert(0); return btScalar(0.0f); } #ifndef __SPU__ -void btConvexShape::getAabbNonVirtual (const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const +void btConvexShape::getAabbNonVirtual(const btTransform& t, btVector3& aabbMin, btVector3& aabbMax) const { switch (m_shapeType) { - case SPHERE_SHAPE_PROXYTYPE: - { - btSphereShape* sphereShape = (btSphereShape*)this; - btScalar radius = sphereShape->getImplicitShapeDimensions().getX();// * convexShape->getLocalScaling().getX(); - btScalar margin = radius + sphereShape->getMarginNonVirtual(); - const btVector3& center = t.getOrigin(); - btVector3 extent(margin,margin,margin); - aabbMin = center - extent; - aabbMax = center + extent; - } - break; - case CYLINDER_SHAPE_PROXYTYPE: - /* fall through */ - case BOX_SHAPE_PROXYTYPE: - { - btBoxShape* convexShape = (btBoxShape*)this; - btScalar margin=convexShape->getMarginNonVirtual(); - btVector3 halfExtents = convexShape->getImplicitShapeDimensions(); - halfExtents += btVector3(margin,margin,margin); - btMatrix3x3 abs_b = t.getBasis().absolute(); - btVector3 center = t.getOrigin(); - btVector3 extent = halfExtents.dot3(abs_b[0], abs_b[1], abs_b[2]); - - aabbMin = center - extent; - aabbMax = center + extent; + case SPHERE_SHAPE_PROXYTYPE: + { + btSphereShape* sphereShape = (btSphereShape*)this; + btScalar radius = sphereShape->getImplicitShapeDimensions().getX(); // * convexShape->getLocalScaling().getX(); + btScalar margin = radius + sphereShape->getMarginNonVirtual(); + const btVector3& center = t.getOrigin(); + btVector3 extent(margin, margin, margin); + aabbMin = center - extent; + aabbMax = center + extent; + } break; - } - case TRIANGLE_SHAPE_PROXYTYPE: - { - btTriangleShape* triangleShape = (btTriangleShape*)this; - btScalar margin = triangleShape->getMarginNonVirtual(); - for (int i=0;i<3;i++) + case CYLINDER_SHAPE_PROXYTYPE: + /* fall through */ + case BOX_SHAPE_PROXYTYPE: { - btVector3 vec(btScalar(0.),btScalar(0.),btScalar(0.)); - vec[i] = btScalar(1.); + btBoxShape* convexShape = (btBoxShape*)this; + btScalar margin = convexShape->getMarginNonVirtual(); + btVector3 halfExtents = convexShape->getImplicitShapeDimensions(); + halfExtents += btVector3(margin, margin, margin); + btMatrix3x3 abs_b = t.getBasis().absolute(); + btVector3 center = t.getOrigin(); + btVector3 extent = halfExtents.dot3(abs_b[0], abs_b[1], abs_b[2]); + + aabbMin = center - extent; + aabbMax = center + extent; + break; + } + case TRIANGLE_SHAPE_PROXYTYPE: + { + btTriangleShape* triangleShape = (btTriangleShape*)this; + btScalar margin = triangleShape->getMarginNonVirtual(); + for (int i = 0; i < 3; i++) + { + btVector3 vec(btScalar(0.), btScalar(0.), btScalar(0.)); + vec[i] = btScalar(1.); - btVector3 sv = localGetSupportVertexWithoutMarginNonVirtual(vec*t.getBasis()); + btVector3 sv = localGetSupportVertexWithoutMarginNonVirtual(vec * t.getBasis()); - btVector3 tmp = t(sv); - aabbMax[i] = tmp[i]+margin; - vec[i] = btScalar(-1.); - tmp = t(localGetSupportVertexWithoutMarginNonVirtual(vec*t.getBasis())); - aabbMin[i] = tmp[i]-margin; - } - } - break; - case CAPSULE_SHAPE_PROXYTYPE: - { - btCapsuleShape* capsuleShape = (btCapsuleShape*)this; - btVector3 halfExtents(capsuleShape->getRadius(),capsuleShape->getRadius(),capsuleShape->getRadius()); - int m_upAxis = capsuleShape->getUpAxis(); - halfExtents[m_upAxis] = capsuleShape->getRadius() + capsuleShape->getHalfHeight(); - halfExtents += btVector3(capsuleShape->getMarginNonVirtual(),capsuleShape->getMarginNonVirtual(),capsuleShape->getMarginNonVirtual()); - btMatrix3x3 abs_b = t.getBasis().absolute(); - btVector3 center = t.getOrigin(); - btVector3 extent = halfExtents.dot3(abs_b[0], abs_b[1], abs_b[2]); - aabbMin = center - extent; - aabbMax = center + extent; - } - break; - case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE: - case CONVEX_HULL_SHAPE_PROXYTYPE: - { - btPolyhedralConvexAabbCachingShape* convexHullShape = (btPolyhedralConvexAabbCachingShape*)this; - btScalar margin = convexHullShape->getMarginNonVirtual(); - convexHullShape->getNonvirtualAabb (t, aabbMin, aabbMax, margin); - } - break; - default: + btVector3 tmp = t(sv); + aabbMax[i] = tmp[i] + margin; + vec[i] = btScalar(-1.); + tmp = t(localGetSupportVertexWithoutMarginNonVirtual(vec * t.getBasis())); + aabbMin[i] = tmp[i] - margin; + } + } + break; + case CAPSULE_SHAPE_PROXYTYPE: + { + btCapsuleShape* capsuleShape = (btCapsuleShape*)this; + btVector3 halfExtents(capsuleShape->getRadius(), capsuleShape->getRadius(), capsuleShape->getRadius()); + int m_upAxis = capsuleShape->getUpAxis(); + halfExtents[m_upAxis] = capsuleShape->getRadius() + capsuleShape->getHalfHeight(); + btMatrix3x3 abs_b = t.getBasis().absolute(); + btVector3 center = t.getOrigin(); + btVector3 extent = halfExtents.dot3(abs_b[0], abs_b[1], abs_b[2]); + aabbMin = center - extent; + aabbMax = center + extent; + } + break; + case CONVEX_POINT_CLOUD_SHAPE_PROXYTYPE: + case CONVEX_HULL_SHAPE_PROXYTYPE: + { + btPolyhedralConvexAabbCachingShape* convexHullShape = (btPolyhedralConvexAabbCachingShape*)this; + btScalar margin = convexHullShape->getMarginNonVirtual(); + convexHullShape->getNonvirtualAabb(t, aabbMin, aabbMax, margin); + } + break; + default: #ifndef __SPU__ - this->getAabb (t, aabbMin, aabbMax); + this->getAabb(t, aabbMin, aabbMax); #else - btAssert (0); + btAssert(0); #endif - break; + break; } // should never reach here - btAssert (0); + btAssert(0); } -#endif //__SPU__ +#endif //__SPU__ |