Method DrawAudioSpeaker

trinity/Tr2DebugRenderer.cpp:974–1036

}

void Tr2DebugRenderer::DrawAudioSpeaker( Tr2DebugObjectReference owner, const Matrix& transform, float size, uint32_t segments, Effect effect, Tr2DebugColor color )
{
	if( segments < 3 )
	{
		segments = 3;
	}

	const float coneWidth = size * 0.3f;
	const float coneHeight = size * 0.5f;
	const float waveOffset = size * 0.6f;
	const float waveSpacing = size * 0.2f;
	const float halfConeHeight = coneHeight * 0.5f;
	const float coneWidthNarrow = coneWidth * 0.3f;

	const Vector2 coneVertices[] = {
		Vector2( -halfConeHeight, coneWidthNarrow ), // Back narrow end
		Vector2( -halfConeHeight, coneWidthNarrow ),
		Vector2( halfConeHeight, coneWidth ), // Front wide end
		Vector2( halfConeHeight, coneWidth )
	};
	const Vector2 coneNormals[] = {
		Vector2( -1, 0 ), Vector2( -1, 0 ), Vector2( 0, 1 ), Vector2( 0, 1 )
	};

	DrawExtrusionShape( owner, transform, coneVertices, coneNormals, sizeof( coneVertices ) / sizeof( coneVertices[0] ), segments, effect, color );

	static const uint32_t MAX_WAVE_SEGMENTS = 32;
	uint32_t waveSegments = std::min( std::max( segments / 2, 8u ), MAX_WAVE_SEGMENTS );

	static const float arcAngle = XM_PI * 0.6f; // 108 degrees total arc
	static const float halfArcAngle = arcAngle * 0.5f;
	const float arcStep = arcAngle / float( waveSegments );

	const Vector3 waveBasePoint( halfConeHeight, 0, 0 );
	const Vector3 transformedWaveBase = Vector3( XMVector3TransformCoord( waveBasePoint, transform ) );

	for( int wave = 0; wave < 3; ++wave )
	{
		float waveRadius = waveOffset + (float)wave * waveSpacing;
		Vector3 arcPoints[MAX_WAVE_SEGMENTS + 1];
		uint32_t arcCount = waveSegments + 1;

		for( uint32_t i = 0; i < arcCount; ++i )
		{
			float angle = -halfArcAngle + (float)i * arcStep;
			float cosAngle = cos( angle );
			float sinAngle = sin( angle );

			Vector3 localOffset(
				0,
				cosAngle * waveRadius,
				sinAngle * waveRadius );

			Vector3 transformedOffset = Vector3( XMVector3TransformNormal( localOffset, transform ) );
			arcPoints[i] = transformedWaveBase + transformedOffset;
		}

		for( uint32_t i = 0; i < waveSegments; ++i )