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Diffstat (limited to 'extern/bullet2/LinearMath/btIDebugDraw.h')
| -rw-r--r-- | extern/bullet2/LinearMath/btIDebugDraw.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/extern/bullet2/LinearMath/btIDebugDraw.h b/extern/bullet2/LinearMath/btIDebugDraw.h new file mode 100644 index 00000000000..1ca303182c1 --- /dev/null +++ b/extern/bullet2/LinearMath/btIDebugDraw.h @@ -0,0 +1,316 @@ +/* +Bullet Continuous Collision Detection and Physics Library +Copyright (c) 2003-2009 Erwin Coumans http://bulletphysics.org + +This software is provided 'as-is', without any express or implied warranty. +In no event will the authors be held liable for any damages arising from the use of this software. +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it freely, +subject to the following restrictions: + +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 IDEBUG_DRAW__H +#define IDEBUG_DRAW__H + +#include "btVector3.h" +#include "btTransform.h" + + +///The btIDebugDraw interface class allows hooking up a debug renderer to visually debug simulations. +///Typical use case: create a debug drawer object, and assign it to a btCollisionWorld or btDynamicsWorld using setDebugDrawer and call debugDrawWorld. +///A class that implements the btIDebugDraw interface has to implement the drawLine method at a minimum. +///For color arguments the X,Y,Z components refer to Red, Green and Blue each in the range [0..1] +class btIDebugDraw +{ + public: + + enum DebugDrawModes + { + DBG_NoDebug=0, + DBG_DrawWireframe = 1, + DBG_DrawAabb=2, + DBG_DrawFeaturesText=4, + DBG_DrawContactPoints=8, + DBG_NoDeactivation=16, + DBG_NoHelpText = 32, + DBG_DrawText=64, + DBG_ProfileTimings = 128, + DBG_EnableSatComparison = 256, + DBG_DisableBulletLCP = 512, + DBG_EnableCCD = 1024, + DBG_DrawConstraints = (1 << 11), + DBG_DrawConstraintLimits = (1 << 12), + DBG_FastWireframe = (1<<13), + DBG_MAX_DEBUG_DRAW_MODE + }; + + virtual ~btIDebugDraw() {}; + + virtual void drawLine(const btVector3& from,const btVector3& to,const btVector3& color)=0; + + virtual void drawLine(const btVector3& from,const btVector3& to, const btVector3& fromColor, const btVector3& toColor) + { + (void) toColor; + drawLine (from, to, fromColor); + } + + void drawSphere(btScalar radius, const btTransform& transform, const btVector3& color) + { + btVector3 start = transform.getOrigin(); + + const btVector3 xoffs = transform.getBasis() * btVector3(radius,0,0); + const btVector3 yoffs = transform.getBasis() * btVector3(0,radius,0); + const btVector3 zoffs = transform.getBasis() * btVector3(0,0,radius); + + // XY + drawLine(start-xoffs, start+yoffs, color); + drawLine(start+yoffs, start+xoffs, color); + drawLine(start+xoffs, start-yoffs, color); + drawLine(start-yoffs, start-xoffs, color); + + // XZ + drawLine(start-xoffs, start+zoffs, color); + drawLine(start+zoffs, start+xoffs, color); + drawLine(start+xoffs, start-zoffs, color); + drawLine(start-zoffs, start-xoffs, color); + + // YZ + drawLine(start-yoffs, start+zoffs, color); + drawLine(start+zoffs, start+yoffs, color); + drawLine(start+yoffs, start-zoffs, color); + drawLine(start-zoffs, start-yoffs, color); + } + + virtual void drawSphere (const btVector3& p, btScalar radius, const btVector3& color) + { + btTransform tr; + tr.setIdentity(); + tr.setOrigin(p); + drawSphere(radius,tr,color); + } + + virtual void drawTriangle(const btVector3& v0,const btVector3& v1,const btVector3& v2,const btVector3& /*n0*/,const btVector3& /*n1*/,const btVector3& /*n2*/,const btVector3& color, btScalar alpha) + { + drawTriangle(v0,v1,v2,color,alpha); + } + virtual void drawTriangle(const btVector3& v0,const btVector3& v1,const btVector3& v2,const btVector3& color, btScalar /*alpha*/) + { + drawLine(v0,v1,color); + drawLine(v1,v2,color); + drawLine(v2,v0,color); + } + + virtual void drawContactPoint(const btVector3& PointOnB,const btVector3& normalOnB,btScalar distance,int lifeTime,const btVector3& color)=0; + + virtual void reportErrorWarning(const char* warningString) = 0; + + virtual void draw3dText(const btVector3& location,const char* textString) = 0; + + virtual void setDebugMode(int debugMode) =0; + + virtual int getDebugMode() const = 0; + + virtual void drawAabb(const btVector3& from,const btVector3& to,const btVector3& color) + { + + btVector3 halfExtents = (to-from)* 0.5f; + btVector3 center = (to+from) *0.5f; + int i,j; + + btVector3 edgecoord(1.f,1.f,1.f),pa,pb; + for (i=0;i<4;i++) + { + for (j=0;j<3;j++) + { + pa = btVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1], + edgecoord[2]*halfExtents[2]); + pa+=center; + + int othercoord = j%3; + edgecoord[othercoord]*=-1.f; + pb = btVector3(edgecoord[0]*halfExtents[0], edgecoord[1]*halfExtents[1], + edgecoord[2]*halfExtents[2]); + pb+=center; + + drawLine(pa,pb,color); + } + edgecoord = btVector3(-1.f,-1.f,-1.f); + if (i<3) + edgecoord[i]*=-1.f; + } + } + virtual void drawTransform(const btTransform& transform, btScalar orthoLen) + { + btVector3 start = transform.getOrigin(); + drawLine(start, start+transform.getBasis() * btVector3(orthoLen, 0, 0), btVector3(0.7f,0,0)); + drawLine(start, start+transform.getBasis() * btVector3(0, orthoLen, 0), btVector3(0,0.7f,0)); + drawLine(start, start+transform.getBasis() * btVector3(0, 0, orthoLen), btVector3(0,0,0.7f)); + } + + virtual void drawArc(const btVector3& center, const btVector3& normal, const btVector3& axis, btScalar radiusA, btScalar radiusB, btScalar minAngle, btScalar maxAngle, + const btVector3& color, bool drawSect, btScalar stepDegrees = btScalar(10.f)) + { + const btVector3& vx = axis; + btVector3 vy = normal.cross(axis); + btScalar step = stepDegrees * SIMD_RADS_PER_DEG; + int nSteps = (int)((maxAngle - minAngle) / step); + if(!nSteps) nSteps = 1; + btVector3 prev = center + radiusA * vx * btCos(minAngle) + radiusB * vy * btSin(minAngle); + if(drawSect) + { + drawLine(center, prev, color); + } + for(int i = 1; i <= nSteps; i++) + { + btScalar angle = minAngle + (maxAngle - minAngle) * btScalar(i) / btScalar(nSteps); + btVector3 next = center + radiusA * vx * btCos(angle) + radiusB * vy * btSin(angle); + drawLine(prev, next, color); + prev = next; + } + if(drawSect) + { + drawLine(center, prev, color); + } + } + virtual void drawSpherePatch(const btVector3& center, const btVector3& up, const btVector3& axis, btScalar radius, + btScalar minTh, btScalar maxTh, btScalar minPs, btScalar maxPs, const btVector3& color, btScalar stepDegrees = btScalar(10.f)) + { + btVector3 vA[74]; + btVector3 vB[74]; + btVector3 *pvA = vA, *pvB = vB, *pT; + btVector3 npole = center + up * radius; + btVector3 spole = center - up * radius; + btVector3 arcStart; + btScalar step = stepDegrees * SIMD_RADS_PER_DEG; + const btVector3& kv = up; + const btVector3& iv = axis; + btVector3 jv = kv.cross(iv); + bool drawN = false; + bool drawS = false; + if(minTh <= -SIMD_HALF_PI) + { + minTh = -SIMD_HALF_PI + step; + drawN = true; + } + if(maxTh >= SIMD_HALF_PI) + { + maxTh = SIMD_HALF_PI - step; + drawS = true; + } + if(minTh > maxTh) + { + minTh = -SIMD_HALF_PI + step; + maxTh = SIMD_HALF_PI - step; + drawN = drawS = true; + } + int n_hor = (int)((maxTh - minTh) / step) + 1; + if(n_hor < 2) n_hor = 2; + btScalar step_h = (maxTh - minTh) / btScalar(n_hor - 1); + bool isClosed = false; + if(minPs > maxPs) + { + minPs = -SIMD_PI + step; + maxPs = SIMD_PI; + isClosed = true; + } + else if((maxPs - minPs) >= SIMD_PI * btScalar(2.f)) + { + isClosed = true; + } + else + { + isClosed = false; + } + int n_vert = (int)((maxPs - minPs) / step) + 1; + if(n_vert < 2) n_vert = 2; + btScalar step_v = (maxPs - minPs) / btScalar(n_vert - 1); + for(int i = 0; i < n_hor; i++) + { + btScalar th = minTh + btScalar(i) * step_h; + btScalar sth = radius * btSin(th); + btScalar cth = radius * btCos(th); + for(int j = 0; j < n_vert; j++) + { + btScalar psi = minPs + btScalar(j) * step_v; + btScalar sps = btSin(psi); + btScalar cps = btCos(psi); + pvB[j] = center + cth * cps * iv + cth * sps * jv + sth * kv; + if(i) + { + drawLine(pvA[j], pvB[j], color); + } + else if(drawS) + { + drawLine(spole, pvB[j], color); + } + if(j) + { + drawLine(pvB[j-1], pvB[j], color); + } + else + { + arcStart = pvB[j]; + } + if((i == (n_hor - 1)) && drawN) + { + drawLine(npole, pvB[j], color); + } + if(isClosed) + { + if(j == (n_vert-1)) + { + drawLine(arcStart, pvB[j], color); + } + } + else + { + if(((!i) || (i == (n_hor-1))) && ((!j) || (j == (n_vert-1)))) + { + drawLine(center, pvB[j], color); + } + } + } + pT = pvA; pvA = pvB; pvB = pT; + } + } + + virtual void drawBox(const btVector3& bbMin, const btVector3& bbMax, const btVector3& color) + { + drawLine(btVector3(bbMin[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMin[1], bbMin[2]), color); + drawLine(btVector3(bbMax[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMax[1], bbMin[2]), color); + drawLine(btVector3(bbMax[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMax[1], bbMin[2]), color); + drawLine(btVector3(bbMin[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMin[1], bbMin[2]), color); + drawLine(btVector3(bbMin[0], bbMin[1], bbMin[2]), btVector3(bbMin[0], bbMin[1], bbMax[2]), color); + drawLine(btVector3(bbMax[0], bbMin[1], bbMin[2]), btVector3(bbMax[0], bbMin[1], bbMax[2]), color); + drawLine(btVector3(bbMax[0], bbMax[1], bbMin[2]), btVector3(bbMax[0], bbMax[1], bbMax[2]), color); + drawLine(btVector3(bbMin[0], bbMax[1], bbMin[2]), btVector3(bbMin[0], bbMax[1], bbMax[2]), color); + drawLine(btVector3(bbMin[0], bbMin[1], bbMax[2]), btVector3(bbMax[0], bbMin[1], bbMax[2]), color); + drawLine(btVector3(bbMax[0], bbMin[1], bbMax[2]), btVector3(bbMax[0], bbMax[1], bbMax[2]), color); + drawLine(btVector3(bbMax[0], bbMax[1], bbMax[2]), btVector3(bbMin[0], bbMax[1], bbMax[2]), color); + drawLine(btVector3(bbMin[0], bbMax[1], bbMax[2]), btVector3(bbMin[0], bbMin[1], bbMax[2]), color); + } + virtual void drawBox(const btVector3& bbMin, const btVector3& bbMax, const btTransform& trans, const btVector3& color) + { + drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), color); + drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), color); + drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), color); + drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), color); + drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMin[2]), trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMin[2]), trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMin[2]), trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMin[2]), trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMax[0], bbMin[1], bbMax[2]), trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMax[0], bbMax[1], bbMax[2]), trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), color); + drawLine(trans * btVector3(bbMin[0], bbMax[1], bbMax[2]), trans * btVector3(bbMin[0], bbMin[1], bbMax[2]), color); + } +}; + + +#endif //IDEBUG_DRAW__H + |