void Choreo3DApp::renderScene()
{
// gl::pushMatrices();
mGridMesh->draw();
// gl::popMatrices();
}
void GeometryApp::draw()
{
// Prepare for drawing.
gl::clear();
gl::setMatrices( mCamera );
// Draw the grid.
if( mShowGrid && mGrid ) {
gl::ScopedGlslProg scopedGlslProg( gl::context()->getStockShader( gl::ShaderDef().color() ) );
// draw the coordinate frame with length 2.
gl::drawCoordinateFrame( 2 );
mGrid->draw();
}
if( mPrimitive ) {
gl::ScopedTextureBind scopedTextureBind( mTexture );
mPhongShader->uniform( "uTexturingMode", mTexturingMode );
// Rotate it slowly around the y-axis.
gl::ScopedModelMatrix matScope;
gl::rotate( float( getElapsedSeconds() / 5 ), 0, 1, 0 );
// Draw the normals.
if( mShowNormals && mPrimitiveNormalLines ) {
gl::ScopedColor colorScope( Color( 1, 1, 0 ) );
mPrimitiveNormalLines->draw();
}
// Draw the primitive.
gl::ScopedColor colorScope( Color( 0.7f, 0.5f, 0.3f ) );
if( mViewMode == WIREFRAME ) {
// We're using alpha blending, so render the back side first.
gl::ScopedAlphaBlend blendScope( false );
gl::ScopedFaceCulling cullScope( true, GL_FRONT );
mWireframeShader->uniform( "uBrightness", 0.5f );
mPrimitiveWireframe->draw();
// Now render the front side.
gl::cullFace( GL_BACK );
mWireframeShader->uniform( "uBrightness", 1.0f );
mPrimitiveWireframe->draw();
}
else
mPrimitive->draw();
}
// Render the parameter window.
#if ! defined( CINDER_GL_ES )
if( mParams )
mParams->draw();
#endif
}
void GeometryShaderIntroApp::draw()
{
gl::clear();
gl::setMatricesWindow( getWindowWidth(), getWindowHeight() );
gl::translate( getWindowCenter() );
gl::ScopedGlslProg glslProg( mGlsl );
mGlsl->uniform( "uNumSides", mNumSides );
mGlsl->uniform( "uRadius", mRadius );
mBatch->draw();
}
void TessellationShaderApp::draw()
{
gl::clear();
#if ! defined( CINDER_GL_ES )
gl::enableWireframe();
#endif
gl::setMatricesWindow( getWindowSize() );
gl::translate( getWindowCenter() );
gl::ScopedGlslProg glslProg( mGlsl );
mGlsl->uniform( "uTessLevelInner", (float)mTessLevelInner );
mGlsl->uniform( "uTessLevelOuter", (float)mTessLevelOuter );
mGlsl->uniform( "uRadius", mRadius );
mBatch->draw();
#if ! defined( CINDER_GL_ES )
gl::disableWireframe();
mParams->draw();
#endif
}
void ImmediateModeApp::draw()
{
gl::clear();
gl::VertBatch vb( GL_TRIANGLES );
vb.color( 1, 0, 0 );
vb.vertex( getWindowWidth() / 2, 50 );
vb.color( 0, 1, 0 );
vb.vertex( getWindowWidth() - 50, getWindowHeight() - 50 );
vb.color( 0, 0, 1 );
vb.vertex( 50, getWindowHeight() - 50 );
vb.draw();
// draw
mBatch->begin( GL_LINE_STRIP );
for( const vec2 &point : mPoints ) {
mBatch->vertex( vec4( point, 0, 1 ), Color( 1.0f, 0.5f, 0.25f ) );
}
mBatch->draw();
}
void GeometryApp::draw()
{
// Prepare for drawing.
gl::clear();
gl::setMatrices( mCamera );
// Enable the depth buffer.
gl::enableDepthRead();
gl::enableDepthWrite();
if( mPrimitive ) {
gl::ScopedTextureBind scopedTextureBind( mTexture );
mPhongShader->uniform( "uTexturingMode", mTexturingMode );
mPhongShader->uniform( "uFreq", ( mPrimitiveCurrent == TORUSKNOT ) ? ivec2( 100, 10 ) : ivec2( 20 ) );
// Rotate it slowly around the y-axis.
gl::ScopedModelMatrix matScope;
//gl::rotate( float( getElapsedSeconds() / 5 ), 0, 1, 0 );
// Draw the normals.
if( mShowNormals && mPrimitiveNormalLines ) {
gl::ScopedColor colorScope( Color( 1, 1, 0 ) );
mPrimitiveNormalLines->draw();
}
// Draw the tangents.
if( mShowTangents && mPrimitiveTangentLines ) {
gl::ScopedColor colorScope( Color( 0, 1, 0 ) );
mPrimitiveTangentLines->draw();
}
// Draw the wire primitive.
if( mShowWirePrimitive && mPrimitiveWire ) {
gl::ScopedColor color( Color( 1, 1, 1 ) );
gl::ScopedLineWidth linewidth( 2.5f );
mPrimitiveWire->draw();
}
// Draw the primitive.
if( mShowSolidPrimitive ) {
gl::ScopedColor colorScope( Color( 1, 1, 1 ) );
if( mViewMode == WIREFRAME ) {
// We're using alpha blending, so render the back side first.
gl::ScopedBlendAlpha blendScope;
gl::ScopedFaceCulling cullScope( true, GL_FRONT );
mWireframeShader->uniform( "uBrightness", 0.5f );
mPrimitiveWireframe->draw();
// Now render the front side.
gl::cullFace( GL_BACK );
mWireframeShader->uniform( "uBrightness", 1.0f );
mPrimitiveWireframe->draw();
}
else {
gl::ScopedFaceCulling cullScope( mEnableFaceFulling, GL_BACK );
mPrimitive->draw();
}
}
}
//
gl::disableDepthWrite();
// Draw the grid.
if( mShowGrid && mGrid ) {
gl::ScopedGlslProg scopedGlslProg( gl::context()->getStockShader( gl::ShaderDef().color() ) );
mGrid->draw();
// draw the coordinate frame with length 2.
gl::drawCoordinateFrame( 2 );
}
// Disable the depth buffer.
gl::disableDepthRead();
// Render the parameter windows.
#if ! defined( CINDER_GL_ES )
if( mParams ) {
mParams->draw();
}
#endif
}