C++ (Cpp) ofMatrix4x4::rotate示例

示例#1

文件： Path3D.cpp 项目： CreativeInquiry/ofxRobotArm

//--------------------------------------------------------------
ofMatrix4x4 Path3D::zForward(ofMatrix4x4 originalMat){
    
    ofVec3f pos  = originalMat.getTranslation();
    ofVec3f y = originalMat.getRowAsVec3f(1);   // local y-axis
    
    originalMat.setTranslation(0,0,0);
    originalMat.rotate(90, y.x, y.y, y.z);     // rotate about the y
    originalMat.setTranslation(pos);
    
    return originalMat;
}

示例#2

文件： Path3D.cpp 项目： CreativeInquiry/ofxRobotArm

//--------------------------------------------------------------
ofMatrix4x4 Path3D::zOut(ofMatrix4x4 originalMat){
    
    ofVec3f pos  = originalMat.getTranslation();
    ofVec3f x = originalMat.getRowAsVec3f(0);   // local x-axis
    
    originalMat.setTranslation(0,0,0);
    originalMat.rotate(-90, x.x, x.y, x.z);      // rotate about the y
    originalMat.setTranslation(pos);
    
    return originalMat;
}

示例#3

文件： Path3D.cpp 项目： CreativeInquiry/ofxRobotArm

//--------------------------------------------------------------
ofMatrix4x4 Path3D::flip(ofMatrix4x4 originalMat){
    
    ofVec3f pos  = originalMat.getTranslation();
    ofVec3f z = originalMat.getRowAsVec3f(2);   // local y-axis
    
    originalMat.setTranslation(0,0,0);
    originalMat.rotate(180, z.x, z.y, z.z);     // rotate about the y
    originalMat.setTranslation(pos);
    
    return originalMat;
}