| 196 | } |
| 197 | |
| 198 | void Tube::drawFrames( float lineLength, float lineWidth ) |
| 199 | { |
| 200 | if( mPs.empty() || mFrames.empty() ) |
| 201 | return; |
| 202 | |
| 203 | gl::lineWidth( lineWidth ); |
| 204 | gl::begin( GL_LINES ); |
| 205 | for( int i = 0; i < ( mPs.size() - 1 ); ++i ) { |
| 206 | |
| 207 | vec3 xAxis = vec3( mFrames[i] * vec4( 1, 0, 0, 0 ) ); |
| 208 | vec3 yAxis = vec3( mFrames[i] * vec4( 0, 1, 0, 0 ) ); |
| 209 | vec3 zAxis = vec3( mFrames[i] * vec4( 0, 0, 1, 0 ) ); |
| 210 | |
| 211 | gl::lineWidth( lineWidth ); |
| 212 | gl::color( Color( 1, 0.5f, 0 ) ); |
| 213 | gl::vertex( mPs[i] ); |
| 214 | gl::vertex( mPs[i] + xAxis * lineLength ); |
| 215 | |
| 216 | gl::color( Color( 1, 0, 1 ) ); |
| 217 | gl::vertex( mPs[i] ); |
| 218 | gl::vertex( mPs[i] + yAxis * lineLength ); |
| 219 | |
| 220 | gl::lineWidth( 2*lineWidth ); |
| 221 | gl::color( Color( 0, 1, 1 ) ); |
| 222 | gl::vertex( mPs[i] ); |
| 223 | gl::vertex( mPs[i] + zAxis * lineLength ); |
| 224 | } |
| 225 | gl::end(); |
| 226 | } |
| 227 | |
| 228 | void Tube::drawFrameSlices( float scale ) |
| 229 | { |