//----------------------------------------------------------------------------
VisualEffectInstance* LightAmbEffect::CreateUniqueInstance (Light* light,
Material* material)
{
LightAmbEffect* effect = new0 LightAmbEffect();
return effect->CreateInstance(light, material);
}
//----------------------------------------------------------------------------
void FreeFormDeformation::CreateControlBoxes ()
{
// Generate small boxes to represent the control points.
mControlRoot = new0 Node();
mTrnNode->AttachChild(mControlRoot);
// Create a single box to be shared by each control point box.
const float halfWidth = 0.02f;
VertexFormat* vformat = VertexFormat::Create(1,
VertexFormat::AU_POSITION, VertexFormat::AT_FLOAT3, 0);
int vstride = vformat->GetStride();
VertexBuffer* vbuffer = new0 VertexBuffer(8, vstride);
VertexBufferAccessor vba(vformat, vbuffer);
vba.Position<Vector3f>(0) = Vector3f(-halfWidth, -halfWidth, -halfWidth);
vba.Position<Vector3f>(1) = Vector3f(+halfWidth, -halfWidth, -halfWidth);
vba.Position<Vector3f>(2) = Vector3f(+halfWidth, +halfWidth, -halfWidth);
vba.Position<Vector3f>(3) = Vector3f(-halfWidth, +halfWidth, -halfWidth);
vba.Position<Vector3f>(4) = Vector3f(-halfWidth, -halfWidth, +halfWidth);
vba.Position<Vector3f>(5) = Vector3f(+halfWidth, -halfWidth, +halfWidth);
vba.Position<Vector3f>(6) = Vector3f(+halfWidth, +halfWidth, +halfWidth);
vba.Position<Vector3f>(7) = Vector3f(-halfWidth, +halfWidth, +halfWidth);
IndexBuffer* ibuffer = new0 IndexBuffer(36, sizeof(int));
int* indices = (int*)ibuffer->GetData();
indices[ 0] = 0; indices[ 1] = 2; indices[ 2] = 1;
indices[ 3] = 0; indices[ 4] = 3; indices[ 5] = 2;
indices[ 6] = 4; indices[ 7] = 5; indices[ 8] = 6;
indices[ 9] = 4; indices[10] = 6; indices[11] = 7;
indices[12] = 0; indices[13] = 5; indices[14] = 4;
indices[15] = 0; indices[16] = 1; indices[17] = 5;
indices[18] = 3; indices[19] = 7; indices[20] = 6;
indices[21] = 3; indices[22] = 6; indices[23] = 2;
indices[24] = 1; indices[25] = 2; indices[26] = 6;
indices[27] = 1; indices[28] = 6; indices[29] = 5;
indices[30] = 0; indices[31] = 4; indices[32] = 7;
indices[33] = 0; indices[34] = 7; indices[35] = 3;
// Create the materials and light to be attached to each box.
Material* materialActive = new0 Material();
materialActive->Emissive = Float4(0.0f, 0.0f, 0.0f, 1.0f);
materialActive->Ambient = Float4(1.0f, 0.0f, 0.0f, 1.0f);
materialActive->Diffuse = Float4(1.0f, 0.0f, 0.0f, 1.0f);
materialActive->Specular = Float4(0.0f, 0.0f, 0.0f, 1.0f);
Material* materialInactive = new0 Material();
materialInactive->Emissive = Float4(0.0f, 0.0f, 0.0f, 1.0f);
materialInactive->Ambient = Float4(0.75f, 0.75f, 0.75f, 1.0f);
materialInactive->Diffuse = Float4(0.75f, 0.75f, 0.75f, 1.0f);
materialInactive->Specular = Float4(0.0f, 0.0f, 0.0f, 1.0f);
Light* light = new0 Light(Light::LT_AMBIENT);
light->Ambient = Float4(1.0f, 1.0f, 1.0f, 1.0f);
light->Diffuse = Float4(1.0f, 1.0f, 1.0f, 1.0f);
light->Specular = Float4(0.0f, 0.0f, 0.0f, 1.0f);
LightAmbEffect* effect = new0 LightAmbEffect();
mControlActive = effect->CreateInstance(light, materialActive);
mControlInactive = effect->CreateInstance(light, materialInactive);
for (int i0 = 0; i0 < mQuantity; ++i0)
{
for (int i1 = 0; i1 < mQuantity; ++i1)
{
for (int i2 = 0; i2 < mQuantity; ++i2)
{
TriMesh* box = new0 TriMesh(vformat, vbuffer, ibuffer);
Vector3f ctrl = mVolume->GetControlPoint(i0, i1, i2);
box->LocalTransform.SetTranslate(ctrl);
// Encode the indices in the name for later use. This will
// allow fast lookup of volume control points.
char name[32];
sprintf(name, "%d %d %d", i0, i1, i2);
box->SetName(name);
box->SetEffectInstance(mControlInactive);
mControlRoot->AttachChild(box);
}
}
}
}
