C++ (Cpp) mat4ToMat3 Examples

Example #1

File: EnvironmentMapping.cpp Project: joaodafonseca/OPENGL_studies

//--------------------------------------------------------------
void EnvironmentMapping::draw(){
    ofBackgroundGradient(ofColor(50), ofColor(255));
    
    ofEnableDepthTest();
 
    cam.begin();
    //texture[0].getTexture().bind();
    shader.begin();
    shader.setUniformMatrix3f("normalMatrix", mat4ToMat3(ofGetCurrentNormalMatrix()));
    shader.setUniformTexture("EnvMap", texture[0].getTexture(), 0);
    shader.setUniform3f("BaseColor",baseColor->x/255,baseColor->y/255,baseColor->z/255);
    shader.setUniform1f("MixRatio", mixRatio);

    shader.setUniform3f("LightPosition",lightPos->x,lightPos->y,lightPos->z);
    
    //cout<<ofGetCurrentNormalMatrix()<<endl;
    //model.drawFaces();
    sphere.draw();
    shader.end();
    //texture[0].getTexture().unbind();
    cam.end();
    
    ofDisableDepthTest();
    gui.draw();
    
    
}

Example #2

File: CubeMapping.cpp Project: joaodafonseca/OPENGL_studies

//--------------------------------------------------------------
void CubeMapping::draw(){
    ofBackgroundGradient(ofColor(50), ofColor(255));
    
    int pos=800;
    int boundToTextureUnit=pos;
    glActiveTexture( GL_TEXTURE0 + pos );
    glEnable( GL_TEXTURE_CUBE_MAP );
    glBindTexture( GL_TEXTURE_CUBE_MAP, textureObjectID );
    
    ofEnableDepthTest();
    
    
    cam.begin();
    //texture[0].getTexture().bind();
    shader.begin();
    shader.setUniformMatrix3f("normalMatrix", mat4ToMat3(ofGetCurrentNormalMatrix()));

    shader.setUniform1i("EnvMap", 0);
    
    shader.setUniform3f("LightPosition",lightPos->x,lightPos->y,lightPos->z);
    shader.setUniform3f("BaseColor",baseColor->x/255,baseColor->y/255,baseColor->z/255);
    shader.setUniform1f("MixRatio", mixRatio);
    //cout<<ofGetCurrentNormalMatrix()<<endl;
    cube.draw();
    shader.end();
   
    glActiveTexture( GL_TEXTURE0 + boundToTextureUnit );
    
    glBindTexture(GL_TEXTURE_CUBE_MAP, 0 );
    glDisable( GL_TEXTURE_CUBE_MAP );
    
    glActiveTexture( GL_TEXTURE0 );
    
    
    cam.end();
    
    ofDisableDepthTest();
    gui.draw();
    
    
}

Example #3

File: ofApp.cpp Project: aferriss/mdAtl

void ofApp::updateNormalMatrix()
{
    normalMatrix = mat4ToMat3(ofGetCurrentMatrix(OF_MATRIX_MODELVIEW));
    normalMatrix.invert();
    normalMatrix.transpose();
}