本文整理汇总了C++中Matrixf::makeScale方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrixf::makeScale方法的具体用法？C++ Matrixf::makeScale怎么用？C++ Matrixf::makeScale使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Matrixf的用法示例。
在下文中一共展示了Matrixf::makeScale方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: applyEditorInfo
/***************************************************************
* Function: applyEditorInfo()
***************************************************************/
void CAVEGeodeShape::applyEditorInfo(Vec3Array **vertexArrayPtr, Vec3Array **normalArrayPtr,
Vec3Array **udirArrayPtr, Vec3Array **vdirArrayPtr, Vec2Array **texcoordArrayPtr,
const Vec3Array *refVertexArrayPtr, const Vec3Array *refNormalArrayPtr,
const Vec3Array *refUDirArrayPtr, const Vec3Array *refVDirArrayPtr, const Vec2Array *refTexcoordArrayPtr,
const int &nVerts, EditorInfo **infoPtr, const VertexMaskingVector &vertMaskingVector)
{
/* access target and source data pointers */
Vec3 *geodeVertexDataPtr, *geodeNormalDataPtr, *geodeUDirDataPtr, *geodeVDirDataPtr;
Vec2 *geodeTexcoordDataPtr;
const Vec3 *refGeodeVertexDataPtr, *refGeodeNormalDataPtr, *refGeodeUDirDataPtr, *refGeodeVDirDataPtr;
const Vec2 *refGeodeTexcoordDataPtr;
geodeVertexDataPtr = (Vec3*) ((*vertexArrayPtr)->getDataPointer());
geodeNormalDataPtr = (Vec3*) ((*normalArrayPtr)->getDataPointer());
geodeUDirDataPtr = (Vec3*) ((*udirArrayPtr)->getDataPointer());
geodeVDirDataPtr = (Vec3*) ((*vdirArrayPtr)->getDataPointer());
geodeTexcoordDataPtr = (Vec2*) ((*texcoordArrayPtr)->getDataPointer());
refGeodeVertexDataPtr = (const Vec3*) (refVertexArrayPtr->getDataPointer());
refGeodeNormalDataPtr = (const Vec3*) (refNormalArrayPtr->getDataPointer());
refGeodeUDirDataPtr = (const Vec3*) (refUDirArrayPtr->getDataPointer());
refGeodeVDirDataPtr = (const Vec3*) (refVDirArrayPtr->getDataPointer());
refGeodeTexcoordDataPtr = (const Vec2*) (refTexcoordArrayPtr->getDataPointer());
/* implement vertex & normal updates with respect to all ActiveTypeMasking
texture coordinates are only changed in 'MOVE' and 'SCALE' operations,
texture directional vectors are only changed in 'ROTATE' operations.
*/
if ((*infoPtr)->getTypeMasking() == EditorInfo::MOVE)
{
const Vec3 offset = (*infoPtr)->getMoveOffset();
for (int i = 0; i < nVerts; i++)
{
if (vertMaskingVector[i])
{
/* apply offset values to vetex data vector */
geodeVertexDataPtr[i] = refGeodeVertexDataPtr[i] + offset;
/* apply offset values to texture coordinates, normal is not changed */
Vec3 udir = refGeodeUDirDataPtr[i];
Vec3 vdir = refGeodeVDirDataPtr[i];
Vec2 texoffset = Vec2(udir * offset, vdir * offset) / gTextureTileSize;
geodeTexcoordDataPtr[i] = refGeodeTexcoordDataPtr[i] + texoffset;
}
}
}
else if ((*infoPtr)->getTypeMasking() == EditorInfo::ROTATE)
{
const Vec3 center = (*infoPtr)->getRotateCenter();
const Vec3 axis = (*infoPtr)->getRotateAxis();
const float angle = (*infoPtr)->getRotateAngle();
Matrixf rotMat;
rotMat.makeRotate(angle, axis);
for (int i = 0; i < nVerts; i++)
{
if (vertMaskingVector[i])
{
/* update vertex list: 'translation' -> 'rotation' -> 'reversed translation' */
Vec3 pos = refGeodeVertexDataPtr[i];
geodeVertexDataPtr[i] = (pos - center) * rotMat + center;
/* update normal and u, v-direction vectors with single rotations */
Vec3 norm = refGeodeNormalDataPtr[i];
Vec3 udir = refGeodeUDirDataPtr[i];
Vec3 vdir = refGeodeVDirDataPtr[i];
geodeNormalDataPtr[i] = norm * rotMat;
geodeUDirDataPtr[i] = udir * rotMat;
geodeVDirDataPtr[i] = vdir * rotMat;
}
}
}
else if ((*infoPtr)->getTypeMasking() == EditorInfo::SCALE)
{
const Vec3 center = (*infoPtr)->getScaleCenter();
const Vec3 scale = (*infoPtr)->getScaleVect();
Matrixf scaleMat;
scaleMat.makeScale(scale);
for (int i = 0; i < nVerts; i++)
{
if (vertMaskingVector[i])
{
/* update vertex list: 'translation' -> 'scaling' -> 'reversed translation' */
Vec3 pos = refGeodeVertexDataPtr[i];
geodeVertexDataPtr[i] = (pos - center) * scaleMat + center;
Vec3 offset = geodeVertexDataPtr[i] - pos;
/* update texture coordinates 'u', 'v', normal and u, v-direction vectors are not changed */
Vec3 udir = refGeodeUDirDataPtr[i];
Vec3 vdir = refGeodeVDirDataPtr[i];
Vec2 texoffset = Vec2(udir * offset, vdir * offset) / gTextureTileSize;
geodeTexcoordDataPtr[i] = refGeodeTexcoordDataPtr[i] + texoffset;
}
}
//.........这里部分代码省略.........