void ScatterSky::_getColor( const Point3F &pos, ColorF *outColor )
{
PROFILE_SCOPE( ScatterSky_GetColor );
F32 scaleOverScaleDepth = mScale / mRayleighScaleDepth;
F32 rayleighBrightness = mRayleighScattering * mSkyBrightness;
F32 mieBrightness = mMieScattering * mSkyBrightness;
Point3F invWaveLength( 1.0f / mWavelength4[0],
1.0f / mWavelength4[1],
1.0f / mWavelength4[2] );
Point3F v3Pos = pos / 6378000.0f;
v3Pos.z += mSphereInnerRadius;
Point3F newCamPos( 0, 0, smViewerHeight );
VectorF v3Ray = v3Pos - newCamPos;
F32 fFar = v3Ray.len();
v3Ray / fFar;
v3Ray.normalizeSafe();
Point3F v3Start = newCamPos;
F32 fDepth = mExp( scaleOverScaleDepth * (mSphereInnerRadius - smViewerHeight ) );
F32 fStartAngle = mDot( v3Ray, v3Start );
F32 fStartOffset = fDepth * _vernierScale( fStartAngle );
F32 fSampleLength = fFar / 2.0f;
F32 fScaledLength = fSampleLength * mScale;
VectorF v3SampleRay = v3Ray * fSampleLength;
Point3F v3SamplePoint = v3Start + v3SampleRay * 0.5f;
Point3F v3FrontColor( 0, 0, 0 );
for ( U32 i = 0; i < 2; i++ )
{
F32 fHeight = v3SamplePoint.len();
F32 fDepth = mExp( scaleOverScaleDepth * (mSphereInnerRadius - smViewerHeight) );
F32 fLightAngle = mDot( mLightDir, v3SamplePoint ) / fHeight;
F32 fCameraAngle = mDot( v3Ray, v3SamplePoint ) / fHeight;
F32 fScatter = (fStartOffset + fDepth * ( _vernierScale( fLightAngle ) - _vernierScale( fCameraAngle ) ));
Point3F v3Attenuate( 0, 0, 0 );
F32 tmp = mExp( -fScatter * (invWaveLength[0] * mRayleighScattering4PI + mMieScattering4PI) );
v3Attenuate.x = tmp;
tmp = mExp( -fScatter * (invWaveLength[1] * mRayleighScattering4PI + mMieScattering4PI) );
v3Attenuate.y = tmp;
tmp = mExp( -fScatter * (invWaveLength[2] * mRayleighScattering4PI + mMieScattering4PI) );
v3Attenuate.z = tmp;
v3FrontColor += v3Attenuate * (fDepth * fScaledLength);
v3SamplePoint += v3SampleRay;
}
Point3F mieColor = v3FrontColor * mieBrightness;
Point3F rayleighColor = v3FrontColor * (invWaveLength * rayleighBrightness);
Point3F v3Direction = newCamPos - v3Pos;
v3Direction.normalize();
F32 fCos = mDot( mLightDir, v3Direction ) / v3Direction.len();
F32 fCos2 = fCos * fCos;
F32 g = -0.991f;
F32 g2 = g * g;
F32 miePhase = _getMiePhase( fCos, fCos2, g, g2 );
Point3F color = rayleighColor + (miePhase * mieColor);
ColorF tmp( color.x, color.y, color.z, color.y );
Point3F expColor( 0, 0, 0 );
expColor.x = 1.0f - exp(-mExposure * color.x);
expColor.y = 1.0f - exp(-mExposure * color.y);
expColor.z = 1.0f - exp(-mExposure * color.z);
tmp.set( expColor.x, expColor.y, expColor.z, 1.0f );
if ( !tmp.isValidColor() )
{
F32 len = expColor.len();
if ( len > 0 )
expColor /= len;
}
outColor->set( expColor.x, expColor.y, expColor.z, 1.0f );
}
void GuiVehicleControl::onMouseMove(const GuiEvent &evt)
{
// Contribute mouse position to MoveManager::*Speed variables
// Dead zone (mMouseDeadZone), with the rest contributing
// mContributePitch, mContributeYaw, and mContriuteRoll.
// (Mouse position normalized to 0.0->1.0)
// Calculate useful vectors (squared)
Point2I realPos = globalToLocalCoord(evt.mousePoint);
Point2F normalizedPos((F32)realPos.x / (F32)mBounds.extent.x,
(F32)realPos.y / (F32)mBounds.extent.y);
Point2F centerPos(normalizedPos.x - 0.5, normalizedPos.y - 0.5);
if (mCurveMode == 1) {
normalizedPos.x = mCurveCoeff * (F32)(normalizedPos.x*normalizedPos.x);
normalizedPos.y = mCurveCoeff * (F32)(normalizedPos.y*normalizedPos.y);
} else if (mCurveMode == 2) {
normalizedPos.x = mCurveCoeff * mExp((F32)mLog((F32)normalizedPos.x));
normalizedPos.y = mCurveCoeff * mExp((F32)mLog((F32)normalizedPos.y));
} else {
normalizedPos *= mCurveCoeff;
}
//Con::printf("real =[%d,%d], normal=[%f,%f], center=[%f,%f]", realPos.x, realPos.y, normalizedPos.x, normalizedPos.y, centerPos.x, centerPos.y);
// Send directly to *Speed variables
// TODO: factor in sensitivity?
// centerPos is used, expressed in the range -0.5,0.5
// Pitch goes from up -> down,but needs to be converted to 0-1 range
MoveManager::mPitchSpeed = centerPos.y * 2;
// Calculate YAW - must be in dead zone
F32 absX = mFabs(centerPos.x);
if (absX < mMouseDeadZone) {
// Calculate in range (0.0-1.0) in dead zone
MoveManager::mYawSpeed = absX * (1.0 / mMouseDeadZone);
if (centerPos.x < 0.0f) MoveManager::mYawSpeed = -MoveManager::mYawSpeed;
} else {
MoveManager::mYawSpeed = 0;
}
// Calculate ROLL
if (absX > mMouseDeadZone)
{
// Negate dead zone and determine percentage outside dead zone
// (0.5-mMouseDeadZone)
MoveManager::mRollSpeed = (absX - mMouseDeadZone) * ( 1.0 / (0.5-mMouseDeadZone) );
if (centerPos.x < 0.0f) MoveManager::mRollSpeed = -MoveManager::mRollSpeed;
} else {
MoveManager::mRollSpeed = 0;
}
// Calculate X and Y axis
if (!mUseRightAxis) {
MoveManager::mXAxis_L = centerPos.x;
MoveManager::mYAxis_L = centerPos.y;
} else {
MoveManager::mXAxis_R = centerPos.x;
MoveManager::mYAxis_R = centerPos.y;
}