~ubuntu-branches/ubuntu/vivid/emscripten/vivid

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.

#ifndef BT_SOFT_BODY_HELPERS_H

#define BT_SOFT_BODY_HELPERS_H

#include "btSoftBody.h"

// Helpers

/* fDrawFlags */

struct fDrawFlags { enum _ {

Nodes = 0x0001,

Links = 0x0002,

Faces = 0x0004,

Tetras = 0x0008,

Normals = 0x0010,

Contacts = 0x0020,

Anchors = 0x0040,

Notes = 0x0080,

Clusters = 0x0100,

NodeTree = 0x0200,

FaceTree = 0x0400,

ClusterTree = 0x0800,

Joints = 0x1000,

/* presets */

Std = Links+Faces+Tetras+Anchors+Notes+Joints,

StdTetra = Std-Faces+Tetras

};};

struct btSoftBodyHelpers

{

/* Draw body */

static void Draw( btSoftBody* psb,

btIDebugDraw* idraw,

int drawflags=fDrawFlags::Std);

/* Draw body infos */

static void DrawInfos( btSoftBody* psb,

btIDebugDraw* idraw,

bool masses,

bool areas,

bool stress);

/* Draw node tree */

static void DrawNodeTree( btSoftBody* psb,

btIDebugDraw* idraw,

int mindepth=0,

int maxdepth=-1);

/* Draw face tree */

static void DrawFaceTree( btSoftBody* psb,

btIDebugDraw* idraw,

int mindepth=0,

int maxdepth=-1);

/* Draw cluster tree */

static void DrawClusterTree(btSoftBody* psb,

btIDebugDraw* idraw,

int mindepth=0,

int maxdepth=-1);

/* Draw rigid frame */

static void DrawFrame( btSoftBody* psb,

btIDebugDraw* idraw);

/* Create a rope */

static btSoftBody* CreateRope( btSoftBodyWorldInfo& worldInfo,

const btVector3& from,

const btVector3& to,

int res,

int fixeds);

/* Create a patch */

static btSoftBody* CreatePatch(btSoftBodyWorldInfo& worldInfo,

const btVector3& corner00,

const btVector3& corner10,

const btVector3& corner01,

const btVector3& corner11,

int resx,

int resy,

int fixeds,

bool gendiags);

/* Create a patch with UV Texture Coordinates */

static btSoftBody* CreatePatchUV(btSoftBodyWorldInfo& worldInfo,

const btVector3& corner00,

const btVector3& corner10,

const btVector3& corner01,

const btVector3& corner11,

int resx,

int resy,

int fixeds,

100

bool gendiags,

101

float* tex_coords=0);

102

static float CalculateUV(int resx,int resy,int ix,int iy,int id);

103

/* Create an ellipsoid */

104

static btSoftBody* CreateEllipsoid(btSoftBodyWorldInfo& worldInfo,

105

const btVector3& center,

106

const btVector3& radius,

107

int res);

108

/* Create from trimesh */

109

static btSoftBody* CreateFromTriMesh( btSoftBodyWorldInfo& worldInfo,

110

const btScalar* vertices,

111

const int* triangles,

112

int ntriangles,

113

bool randomizeConstraints = true);

114

/* Create from convex-hull */

115

static btSoftBody* CreateFromConvexHull( btSoftBodyWorldInfo& worldInfo,

116

const btVector3* vertices,

117

int nvertices,

118

bool randomizeConstraints = true);

119

120

121

/* Export TetGen compatible .smesh file */

122

// static void ExportAsSMeshFile( btSoftBody* psb,

123

// const char* filename);

124

/* Create from TetGen .ele, .face, .node files */

125

// static btSoftBody* CreateFromTetGenFile( btSoftBodyWorldInfo& worldInfo,

126

// const char* ele,

127

// const char* face,

128

// const char* node,

129

// bool bfacelinks,

130

// bool btetralinks,

131

// bool bfacesfromtetras);

132

/* Create from TetGen .ele, .face, .node data */

133

static btSoftBody* CreateFromTetGenData( btSoftBodyWorldInfo& worldInfo,

134

const char* ele,

135

const char* face,

136

const char* node,

137

bool bfacelinks,

138

bool btetralinks,

139

bool bfacesfromtetras);

140

141

};

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#endif //BT_SOFT_BODY_HELPERS_H

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