本文整理汇总了C++中Mat4::get方法的典型用法代码示例。如果您正苦于以下问题：C++ Mat4::get方法的具体用法？C++ Mat4::get怎么用？C++ Mat4::get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Mat4的用法示例。
在下文中一共展示了Mat4::get方法的5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: main
void
PhysicsRendererer::initShader()
{
//--------------------------------------------------------------------------
// setup the shader
//--------------------------------------------------------------------------
const GLchar * vertexShaderSrc =
"attribute vec3 positionAttr;"
""
"uniform mat4 projectionTransform;"
"uniform mat4 viewTransform;"
"uniform mat4 modelTransform;"
""
"void main() {"
" gl_Position = projectionTransform * viewTransform * modelTransform * vec4(positionAttr.xyz, 1.0);"
"}";
const GLchar * fragShaderSrc =
""
"uniform " HIGHP " vec3 color;"
""
"void main() {"
" gl_FragColor = vec4(color,1.0);"
"}";
_shader.setVertexShaderSrc(vertexShaderSrc);
_shader.setFragmentShaderSrc(fragShaderSrc);
_shader.declareAttrib("positionAttr", _positionAttrib);
_shader.initGL();
//--------------------------------------------------------------------------
// setup the shader matrices
//--------------------------------------------------------------------------
_proj.makeOrtho(0, 1, 0, 1, 1, 10);
_view.makeLookAt(0, 0, 4, 0, 0, 0, 0, 1, 0);
_model.makeIdentity();
_shader.bind();
_shader.setUniformMat4fv("projectionTransform", _proj.get());
_shader.setUniformMat4fv("viewTransform", _view.get());
_shader.setUniformMat4fv("modelTransform", _model.get());
_shader.unbind();
}示例2:
TEST(Math, MatrixMul1) {
Mat4 mat1(1.0f);
Mat4 mat2(1.0f);
Mat4 mat = mat1*mat2;
ASSERT_EQ(1, mat.get(0,0)); ASSERT_EQ(0, mat.get(1,0)); ASSERT_EQ(0, mat.get(2,0)); ASSERT_EQ(0, mat.get(3,0));
ASSERT_EQ(0, mat.get(0,1)); ASSERT_EQ(1, mat.get(1,1)); ASSERT_EQ(0, mat.get(2,1)); ASSERT_EQ(0, mat.get(3,1));
ASSERT_EQ(0, mat.get(0,2)); ASSERT_EQ(0, mat.get(1,2)); ASSERT_EQ(1, mat.get(2,2)); ASSERT_EQ(0, mat.get(3,2));
ASSERT_EQ(0, mat.get(0,3)); ASSERT_EQ(0, mat.get(1,3)); ASSERT_EQ(0, mat.get(2,3)); ASSERT_EQ(1, mat.get(3,3));
}示例3: SendMatricesToProgram
VOID RenderTargetScene::SendMatricesToProgram( GLSLProgram* pProg, const Mat4* arrMatrices, PTriMesh pMesh ) const
{
// Get model matrix
Mat4 matModel = Mat4(pMesh->m_matLocal.get());
/*if (pMesh->GetParentMesh())
{
Vec3 vModelPos = pMesh->m_pMatLocal.getPosition();
PTriMesh pParent = pMesh->GetParentMesh();
Vec3 vParent = pParent->m_pMatLocal.getPosition();
matModel.setPosition(vModelPos + vParent);
}*/
// Get view matrix
Mat4 matView = Mat4(arrMatrices[MATRIX_VIEW_ID].get());
// Get Proj matrix
Mat4 matProj = Mat4(arrMatrices[MATRIX_PROJ_ID].get());
pProg->SendMatrices(matModel.get(), matView.get(), matProj.get());
UINT unfID = pProg->GetUniformLocation("depthMVP");
if (unfID != -1)
{
Mat4 matDepthMVP = matModel * arrMatrices[MATRIX_VIEW_LIGHT_ID];
m_pOpenGL->glUniformMatrix4fv(unfID, 1, GL_FALSE, matDepthMVP.get() );
}
// vScreenData
//////////////////////////////////////////////////////////////////////////
unfID = pProg->GetUniformLocation("vScreenData");
if (unfID != -1)
{
float fTime = ENG::GetElapsedTime() * 0.015f;
float vScreenData[4] = {ENG::SCR_WID_INV, ENG::SCR_HEI_INV, fTime, s_STEREO ? 0.0f : 1.0f };
m_pOpenGL->glUniform4fv(unfID, 1, vScreenData);
}
}示例4: get
Mat4 Mat4::operator*(const Mat4& right) const
{
Mat4 result;
float value = 0.0f;
for (int x = 0; x < 4; x++) {
for (int y = 0; y < 4; y++) {
value = 0.0f;
for (int j = 0; j < 4; j++) {
value = value + get(x, j) + right.get(j, y);
}
result.set(x, y, value);
}
}
return result;
}示例5: use
void ShaderProgram::setUniformMatrix4fv(const std::string &uniformName, Mat4 value)
{
use();
glUniformMatrix4fv( uniform( uniformName ), 1, GL_FALSE, value.get() );
disable();
}