void CMap::DrawShot( const std::pair<std::pair<float, float>, std::pair<float, float>>& shot ) const
{
glColor3f( 1, 0, 0 );
glLineWidth( 3 );
glBegin( GL_LINES );
{
auto point1 = transateToWcoord( shot.first.first + 0.5, shot.first.second + 0.5, cellSize, indent, GetSize() );
auto point2 = transateToWcoord( shot.first.first + 0.5 + shot.second.first * 100, shot.first.second + 0.5 + shot.second.second * 100, cellSize, indent, GetSize() );
glVertex2d( point1.x, point1.y ); glVertex2d( point2.x, point2.y );
}
glEnd();
}
void CMap::HighlightActiveCells() const
{
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, CDrawing::activeCell );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glColor4f( 1, 1, 1, 0.5 );
for( auto cell : highlightedCells ) {
auto center = transateToWcoord( cell.x + 0.5, cell.y + 0.5, cellSize, indent, GetSize() );
auto top = center.y - 0.5 * cellSize;
auto left = center.x - 0.5 * cellSize;
auto right = center.x + 0.5 * cellSize;
auto bottom = center.y + 0.5 * cellSize;
glBegin( GL_POLYGON );
{
glTexCoord2f( 0, 1 ); glVertex2f( left, top );
glTexCoord2f( 1, 1 ); glVertex2f( right, top );
glTexCoord2f( 1, 0 ); glVertex2f( right, bottom );
glTexCoord2f( 0, 0 ); glVertex2f( left, bottom );
}
glEnd();
}
glDisable( GL_BLEND );
glDisable( GL_TEXTURE_2D );
}
void CMap::DrawFinishLine( std::pair<CCoordinates, CCoordinates> finishLine ) const
{
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, CDrawing::finish );
glColor3f( 1, 1, 1 );
glBegin( GL_POLYGON );
{
auto point1 = transateToWcoord( finishLine.first.x + 0.5, finishLine.first.y + 0.5, cellSize, indent, GetSize() );
auto point2 = transateToWcoord( finishLine.second.x + 0.5, finishLine.second.y + 0.5, cellSize, indent, GetSize() );
double distance = std::hypot( finishLine.first.x - finishLine.second.x, finishLine.first.y - finishLine.second.y );
double distanceWindow = std::hypot( point1.x - point2.x, point1.y - point2.y );
std::pair<double, double> direction( (point2.x - point1.x) / distanceWindow, (point2.y - point1.y) / distanceWindow );
direction = std::make_pair( direction.second, -direction.first );
glTexCoord2f( 0.0f, 0.0f ); glVertex2f( point1.x - 5 * direction.first, point1.y - 5 * direction.second );
glTexCoord2f( distance, 0.0f ); glVertex2f( point2.x - 5 * direction.first, point2.y - 5 * direction.second );
glTexCoord2f( distance, 1.0f ); glVertex2f( point2.x + 5 * direction.first, point2.y + 5 * direction.second );
glTexCoord2f( 0.0f, 1.0f ); glVertex2f( point1.x + 5 * direction.first, point1.y + 5 * direction.second );
}
glEnd();
glDisable( GL_BLEND );
glDisable( GL_TEXTURE_2D );
}
void CCar::Draw( float cellSize, CWindowCoordinates indent, CSize mapSize )
{
if( crashed ) {
return;
}
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, texture );
glTexEnvf( GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE );
CWindowCoordinates coord = transateToWcoord( coords.x, coords.y, cellSize, indent, mapSize );
float left = coord.x;
float right = coord.x + cellSize;
float bottom = coord.y - cellSize / 4;
float top = coord.y - 3 * cellSize / 4;
glDepthMask( GL_FALSE );
glEnable( GL_BLEND );
glBlendFunc( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
glBegin( GL_POLYGON );
{
glColor4f( 1, 1, 1, alpha );
float Ax = left,
Ay = bottom,
Bx = right,
By = bottom,
Cx = right,
Cy = top,
Dx = left,
Dy = top;
float centerX = Dx - (Dx - Bx) / 2,
centerY = Dy - (Dy - By) / 2;
rotateCar( Ax, Ay, Bx, By, Cx, Cy, Dx, Dy, centerX, centerY, coords.angle );
glTexCoord2f( 0.0f, 0.0f ); glVertex3f( Ax, Ay, 0.0f );
glTexCoord2f( 1.0f, 0.0f ); glVertex3f( Bx, By, 0.0f );
glTexCoord2f( 1.0f, 1.0f ); glVertex3f( Cx, Cy, 0.0f );
glTexCoord2f( 0.0f, 1.0f ); glVertex3f( Dx, Dy, 0.0f );
}
glEnd();
glBindTexture( GL_TEXTURE_2D, CDrawing:: textureExplosion );
if( curFrameExplosion > 0 ) {
left = coord.x;
right = coord.x + cellSize;
bottom = coord.y;
top = coord.y - cellSize;
glTexEnvf( GL_TEXTURE_2D, GL_TEXTURE_ENV_MODE, GL_MODULATE );
glBegin( GL_POLYGON );
{
glColor4f( 1, 1, 1, 1 );
glTexCoord2f( (curFrameExplosion - 1.0f) / CDrawing::numFramesExplosion, 1.0f ); glVertex2f( left, bottom );
glTexCoord2f( (curFrameExplosion - 1.0f) / CDrawing::numFramesExplosion, 0.0f ); glVertex2f( right, bottom );
glTexCoord2f( curFrameExplosion * 1.0f / CDrawing::numFramesExplosion, 0.0f ); glVertex2f( right, top );
glTexCoord2f( curFrameExplosion * 1.0f / CDrawing::numFramesExplosion, 1.0f ); glVertex2f( left, top );
}
glEnd();
}
glDisable( GL_BLEND );
glDepthMask( GL_TRUE );
}
