void P3DBranchingAlgStdPanel::OnStartRevAngleChanged
(wxSpinSliderEvent &event)
{
P3DApp::GetApp()->ExecEditCmd
(new P3DBAlgStdFloatParamEditCmd
(Alg,
P3DMATH_DEG2RAD((float)(event.GetIntValue())),
Alg->GetStartRevAngle(),
&P3DBranchingAlgStd::SetStartRevAngle));
}
void P3DBranchingAlgWingsPanel::OnRotAngleChanged
(wxSpinSliderEvent &event)
{
P3DApp::GetApp()->ExecEditCmd
(new P3DBAlgWingsFloatParamEditCmd
(Alg,
P3DMATH_DEG2RAD((float)(event.GetIntValue())),
Alg->GetRotationAngle(),
&P3DBranchingAlgWings::SetRotationAngle));
}
P3DCanvas3D::P3DCanvas3D(wxWindow *parent)
: wxGLCanvas(parent,wxID_ANY,wxDefaultPosition,wxSize(512,512),0,wxT("GLCanvas"),P3DCanvas3DGLAttrs),
viewport(0,0,320,240)
{
int w,h;
GLExtInited = false;
GetClientSize(&w,&h);
if (h > 0)
{
viewport.setSize(w,h);
}
m_x = -1;
m_y = -1;
camera.RotateCS(P3DMATH_DEG2RAD(20.0f),1.0f,0.0f,0.0f);
ZoomFactor = 1.0f;
OrthoCamera = true;
}
void P3DBranchingAlgStd::CreateBranches
(P3DBranchingFactory *Factory,
const P3DStemModelInstance *Parent,
P3DMathRNG *RNG)
{
unsigned int BranchCount;
float OffsetStep;
float CurrRevAngle;
float BranchRegionLength;
CurrRevAngle = StartRevAngle;
BranchRegionLength = Parent->GetLength() * (MaxOffset - MinOffset);
if (BranchRegionLength <= 0.0f)
{
return;
}
if (RNG != 0)
{
BranchCount = (int)(BranchRegionLength * (Density + RNG->UniformFloat(-DensityV,DensityV) * Density));
}
else
{
BranchCount = (int)(BranchRegionLength * Density);
}
BranchCount /= Multiplicity;
if (BranchCount < MinNumber)
{
BranchCount = MinNumber;
}
if (MaxLimitEnabled && BranchCount > MaxNumber)
{
BranchCount = MaxNumber;
}
if (BranchCount > 0)
{
P3DQuaternionf orientation;
P3DQuaternionf decl;
P3DQuaternionf rev;
P3DQuaternionf Rot;
P3DQuaternionf TempRot;
float MultRevAngleStep;
OffsetStep = (MaxOffset - MinOffset) / (BranchCount + 1);
P3DVector3f CurrOffset(0.0f,MinOffset + OffsetStep,0.0f);
MultRevAngleStep = (2.0f * P3DMATH_PI) / Multiplicity;
for (unsigned int i = 0; i < BranchCount; i++)
{
float BaseDeclination;
for (unsigned int MultIndex = 0; MultIndex < Multiplicity; MultIndex++)
{
BaseDeclination = DeclinationCurve.GetValue(CurrOffset.Y());
if (RNG != 0)
{
BaseDeclination += RNG->UniformFloat(-DeclinationV,DeclinationV) * BaseDeclination;
}
decl.FromAxisAndAngle(0.0f,0.0f,-1.0f,P3DMATH_DEG2RAD(180.0f * BaseDeclination));
rev.FromAxisAndAngle(0.0f,1.0f,0.0f,CurrRevAngle + MultRevAngleStep * MultIndex);
Rot.FromAxisAndAngle(0.0f,1.0f,0.0f,Rotation);
P3DQuaternionf::CrossProduct(TempRot.q,rev.q,decl.q);
P3DQuaternionf::CrossProduct(orientation.q,TempRot.q,Rot.q);
Factory->GenerateBranch(&CurrOffset,&orientation);
}
if (RNG != 0)
{
CurrRevAngle += RevAngle + (RevAngle * RNG->UniformFloat(-RevAngleV,RevAngleV));
}
else
{
CurrRevAngle += RevAngle;
}
CurrOffset.Y() += OffsetStep;
}
}
}