// -----------------------------------------------------------------------
void MyCloth::draw()
{
static NxU32 numVertices = mNumVertices;
NxU32 numElements = mNumIndices;
numVertices = mNumVertices;
if (mTexId > 0)
updateTextureCoordinates();
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(RenderBufferVertexElement), &(mVertexRenderBuffer[0].position.x));
glNormalPointer(GL_FLOAT, sizeof(RenderBufferVertexElement), &(mVertexRenderBuffer[0].normal.x));
if (mTexId) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, sizeof(RenderBufferVertexElement), &(mVertexRenderBuffer[0].texCoord[0]));
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, mTexId);
glColor4f(1.0f, 1.0f, 1.0f,1.0f);
}
glDrawElements(GL_TRIANGLES, numElements, GL_UNSIGNED_INT, mIndexRenderBuffer);
if (mTexId) {
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
// -----------------------------------------------------------------------
void MyCloth::draw(bool shadows)
{
static NxU32 numVertices = mNumVertices;
NxU32 numElements = mNumIndices;
numVertices = mNumVertices;
// Disable pressure if tearing occurs
if (mTeared && (mCloth->getFlags() & NX_CLF_PRESSURE))
{
// Disable Pressure
mCloth->setFlags(mCloth->getFlags() & ~NX_CLF_PRESSURE);
mCloth->setPressure(0);
// Reduce tearing factor
NxReal oldTearing = mCloth->getTearFactor();
oldTearing = (oldTearing - 1) / 3 + 1;
mCloth->setTearFactor(oldTearing);
// Reduce bending stiffness
if (mCloth->getBendingStiffness() > 0.9f)
mCloth->setBendingStiffness(0.2f);
// Apply explosion in the middle of the cloth
NxBounds3 bounds;
mCloth->getWorldBounds(bounds);
NxVec3 center;
bounds.getCenter(center);
NxReal radius = bounds.min.distance(bounds.max);
mCloth->addForceAtPos(center, 7 * NxMath::pow(radius,3), radius, NX_IMPULSE);
printf("Pressure disabled\n");
}
if (mTexId > 0)
{
updateTextureCoordinates();
}
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(RenderBufferVertexElement), numVertices, &(mVertexRenderBuffer[0].position.x));
glNormalPointer(GL_FLOAT, sizeof(RenderBufferVertexElement), numVertices, &(mVertexRenderBuffer[0].normal.x));
if (mTexId) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, sizeof(RenderBufferVertexElement), numVertices, &(mVertexRenderBuffer[0].texCoord[0]));
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, mTexId);
glColor4f(1.0f, 1.0f, 1.0f,1.0f);
}
#ifdef __CELLOS_LV2__
glDrawRangeElements(GL_TRIANGLES, 0, numVertices-1, numElements, GL_UNSIGNED_INT, mIndexRenderBuffer);
#else
glDrawElements(GL_TRIANGLES, numElements, GL_UNSIGNED_INT, mIndexRenderBuffer);
#endif
if (mTexId) {
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
}
if (shadows) {
const static float ShadowMat[]={ 1,0,0,0, 0,0,0,0, 0,0,1,0, 0,0,0,1 };
glPushMatrix();
glMultMatrixf(ShadowMat);
glDisable(GL_LIGHTING);
glColor4f(0.05f, 0.1f, 0.15f,1.0f);
#ifdef __CELLOS_LV2__
glDrawRangeElements(GL_TRIANGLES, 0, numVertices-1, numElements, GL_UNSIGNED_INT, mIndexRenderBuffer);
#else
glDrawElements(GL_TRIANGLES, numElements, GL_UNSIGNED_INT, mIndexRenderBuffer);
#endif
glColor4f(1.0f, 1.0f, 1.0f,1.0f);
glEnable(GL_LIGHTING);
glPopMatrix();
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
}
