SpotLight::SpotLight(const Vector3f& color, float intensity, const Attenuation& attenuation, float viewAngle,
int shadowMapSizeAsPowerOf2, float shadowSoftness, float lightBleedReductionAmount, float minVariance) :
PointLight(color, intensity, attenuation, Shader("forward-spot")),
m_cutoff(cos(viewAngle/2))
{
if(shadowMapSizeAsPowerOf2 != 0)
{
SetShadowInfo(ShadowInfo(Matrix4f().InitPerspective(viewAngle, 1.0, 0.1, GetRange()), false, shadowMapSizeAsPowerOf2,
shadowSoftness, lightBleedReductionAmount, minVariance));
}
}
DirectionalLight::DirectionalLight(const Vector3f& color, float intensity, int shadowMapSizeAsPowerOf2,
float shadowArea, float shadowSoftness, float lightBleedReductionAmount, float minVariance) :
BaseLight(color, intensity, Shader("forward-directional")),
m_halfShadowArea(shadowArea / 2.0f)
{
if(shadowMapSizeAsPowerOf2 != 0)
{
SetShadowInfo(ShadowInfo(Matrix4f().InitOrthographic(-m_halfShadowArea, m_halfShadowArea, -m_halfShadowArea,
m_halfShadowArea, -m_halfShadowArea, m_halfShadowArea),
true, shadowMapSizeAsPowerOf2, shadowSoftness, lightBleedReductionAmount, minVariance));
}
}
rendering::lighting::DirectionalLight::DirectionalLight(const math::Transform& transform, const Color& color, math::Real intensity, int shaderId,
int terrainShaderId, int noShadowShaderId, int noShadowTerrainShaderId,
bool shadowInfoFlipFacesEnabled, int shadowInfoShadowMapSizeAsPowerOf2, math::Real shadowInfoShadowSoftness,
math::Real shadowInfoLightBleedingReductionFactor, math::Real shadowInfoMinVariance, math::Real halfShadowArea) :
BaseLight(transform, color, intensity, shaderId, terrainShaderId, noShadowShaderId, noShadowTerrainShaderId, shadowInfoShadowMapSizeAsPowerOf2 != 0),
m_halfShadowArea(halfShadowArea)
{
if (IsShadowingEnabled())
{
SetShadowInfo(math::Matrix4D(-m_halfShadowArea, m_halfShadowArea, -m_halfShadowArea, m_halfShadowArea, -m_halfShadowArea, m_halfShadowArea),
true, shadowInfoShadowMapSizeAsPowerOf2, shadowInfoShadowSoftness, shadowInfoLightBleedingReductionFactor, shadowInfoMinVariance);
}
}
