162 lines
4.9 KiB
C++
162 lines
4.9 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2016 Mario Luzeiro <mrluzeiro@ua.pt>
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* Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file eda_3d_canvas_pivot.cpp
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* @brief Implementation of a 3d cursor
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*/
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#include "../common_ogl/openGL_includes.h"
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#include "../common_ogl/ogl_utils.h"
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#include "eda_3d_canvas.h"
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static void pivot_render_triangles( float t )
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{
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wxASSERT( t >= 0.0f );
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SFVEC3F vertexPointer[12];
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const float u = 1.0f / 6.0f;
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vertexPointer[0] = SFVEC3F( ( -3.0f + t ) * u, -2.0f * u, 0.0f );
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vertexPointer[1] = SFVEC3F( ( -3.0f + t ) * u, 2.0f * u, 0.0f );
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vertexPointer[2] = SFVEC3F( ( -1.0f + t ) * u, 0.0f * u, 0.0f );
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vertexPointer[3] = SFVEC3F( -2.0f * u, ( -3.0f + t ) * u, 0.0f );
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vertexPointer[4] = SFVEC3F( 2.0f * u, ( -3.0f + t ) * u, 0.0f );
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vertexPointer[5] = SFVEC3F( 0.0f * u, ( -1.0f + t ) * u, 0.0f );
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vertexPointer[6] = SFVEC3F( ( 3.0f - t ) * u, -2.0f * u, 0.0f );
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vertexPointer[7] = SFVEC3F( ( 3.0f - t ) * u, 2.0f * u, 0.0f );
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vertexPointer[8] = SFVEC3F( ( 1.0f - t ) * u, 0.0f * u, 0.0f );
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vertexPointer[9] = SFVEC3F( 2.0f * u, ( 3.0f - t ) * u, 0.0f );
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vertexPointer[10] = SFVEC3F( -2.0f * u, ( 3.0f - t ) * u, 0.0f );
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vertexPointer[11] = SFVEC3F( 0.0f * u, ( 1.0f - t ) * u, 0.0f );
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glDisableClientState( GL_TEXTURE_COORD_ARRAY );
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glDisableClientState( GL_COLOR_ARRAY );
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glDisableClientState( GL_NORMAL_ARRAY );
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glEnableClientState( GL_VERTEX_ARRAY );
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glVertexPointer( 3, GL_FLOAT, 0, vertexPointer );
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glEnable( GL_BLEND );
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glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
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glDrawArrays( GL_TRIANGLES, 0, 4 * 3 );
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glDisable( GL_BLEND );
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glDisableClientState( GL_VERTEX_ARRAY );
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}
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void EDA_3D_CANVAS::render_pivot( float t, float aScale )
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{
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wxASSERT( aScale >= 0.0f );
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wxASSERT( t >= 0.0f );
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if( t > 1.0f )
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t = 1.0f;
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const SFVEC3F &lookAtPos = m_camera.GetLookAtPos_T1();
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glDisable( GL_LIGHTING );
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glDisable( GL_DEPTH_TEST );
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glDisable( GL_CULL_FACE );
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// Set projection and modelview matrixes
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glMatrixMode( GL_PROJECTION );
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glLoadMatrixf( glm::value_ptr( m_camera.GetProjectionMatrix() ) );
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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glLoadMatrixf( glm::value_ptr( m_camera.GetViewMatrix() ) );
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glEnable( GL_COLOR_MATERIAL );
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glColor4f( 0.0f, 1.0f, 0.0f, 0.75f - t * 0.75f );
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// Translate to the look at position
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glTranslatef( lookAtPos.x, lookAtPos.y, lookAtPos.z );
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glScalef( aScale, aScale, aScale );
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pivot_render_triangles( t * 0.5f );
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t = t * 0.80f;
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glScalef( 1.0f - t, 1.0f - t, 1.0f - t );
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glColor4f( 0.0f, 1.0f, 0.0f, 0.8f - t );
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glPushMatrix();
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glRotatef( t * 90.0f, 0.0f, 0.0f, 1.0f );
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pivot_render_triangles( t * 0.5f );
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glPopMatrix();
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glPushMatrix();
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glRotatef( -t * 90.0f, 0.0f, 0.0f, 1.0f );
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pivot_render_triangles( t * 0.5f );
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glPopMatrix();
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}
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void EDA_3D_CANVAS::render3dmousePivot( float aScale )
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{
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wxASSERT( aScale >= 0.0f );
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glDisable( GL_LIGHTING );
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glDisable( GL_DEPTH_TEST );
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glDisable( GL_CULL_FACE );
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// Set projection and modelview matrixes
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glMatrixMode( GL_PROJECTION );
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glLoadMatrixf( glm::value_ptr( m_camera.GetProjectionMatrix() ) );
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glMatrixMode( GL_MODELVIEW );
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glLoadIdentity();
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glLoadMatrixf( glm::value_ptr( m_camera.GetViewMatrix() ) );
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glEnable( GL_COLOR_MATERIAL );
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glColor4f( 0.0f, 0.667f, 0.902f, 0.75f );
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// Translate to the look at position
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glTranslatef( m_3dmousePivotPos.x, m_3dmousePivotPos.y, m_3dmousePivotPos.z );
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glPointSize( 16.0f );
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glEnable( GL_POINT_SMOOTH );
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glHint( GL_POINT_SMOOTH_HINT, GL_NICEST );
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glEnable( GL_BLEND );
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glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
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glScalef( aScale, aScale, aScale );
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// Draw a point at the look at position.
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glBegin( GL_POINTS );
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glVertex3f( 0, 0, 0 );
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glEnd();
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glDisable( GL_BLEND );
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glDisable( GL_POINT_SMOOTH );
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}
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