internal static void DrawNormalGlare(LightId light, ref MyGlareDesc glare, Vector3 L, float distance)
{
//if (m_occlusionRatio <= MyMathConstants.EPSILON)
// return;
var intensity = glare.Intensity;
var maxDistance = glare.MaxDistance;
//float alpha = m_occlusionRatio * intensity;
float alpha = intensity;
const float minGlareRadius = 0.2f;
const float maxGlareRadius = 10;
float radius = MathHelper.Clamp(glare.Range * 20, minGlareRadius, maxGlareRadius);
float drawingRadius = radius * glare.Size;
if (glare.Type == MyGlareTypeEnum.Directional)
{
float dot = Vector3.Dot(L, glare.Direction);
alpha *= dot;
}
if (alpha <= MyMathConstants.EPSILON)
{
return;
}
if (distance > maxDistance * .5f)
{
// distance falloff
float falloff = (distance - .5f * maxDistance) / (.5f * maxDistance);
falloff = (float)Math.Max(0, 1 - falloff);
drawingRadius *= falloff;
alpha *= falloff;
}
if (drawingRadius <= float.Epsilon)
{
return;
}
var color = glare.Color;
color.A = 0;
MyBillboardsHelper.AddBillboardOriented(glare.Material.ToString(),
color * alpha, light.SpotPosition, MyEnvironment.InvView.Left, MyEnvironment.InvView.Up, drawingRadius);
}
internal static void DrawDistantGlare(LightId light, ref MyGlareDesc glare, float distance)
{
//float alpha = m_occlusionRatio * intensity;
float alpha = glare.Intensity * (glare.QuerySize / 7.5f);
if (alpha < MyMathConstants.EPSILON)
{
return;
}
const int minGlareRadius = 5;
const int maxGlareRadius = 150;
//glare.QuerySize
// parent range
float radius = MathHelper.Clamp(glare.Range * distance / 100.0f, minGlareRadius, maxGlareRadius);
float drawingRadius = radius;
var startFadeout = 1000;
var endFadeout = 1100;
if (distance > startFadeout)
{
var fade = (distance - startFadeout) / (endFadeout - startFadeout);
alpha *= (1 - fade);
}
if (alpha < MyMathConstants.EPSILON)
{
return;
}
var color = glare.Color;
color.A = 0;
var material = (glare.Type == MyGlareTypeEnum.Distant && distance > MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE) ? "LightGlareDistant" : "LightGlare";
MyBillboardsHelper.AddBillboardOriented(material,
color * alpha, light.Position, MyEnvironment.InvView.Left, MyEnvironment.InvView.Up, drawingRadius);
}
internal static void UpdateGlare(LightId light, MyGlareDesc desc)
{
if (desc.Enabled)
{
var gid = light.ParentGID;
if (gid != -1 && MyIDTracker <MyActor> .FindByID((uint)gid) != null)
{
var matrix = MyIDTracker <MyActor> .FindByID((uint)gid).WorldMatrix;
Vector3.TransformNormal(ref desc.Direction, ref matrix, out desc.Direction);
}
desc.MaxDistance = (desc.MaxDistance > 0)
? (float)Math.Min(MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE, desc.MaxDistance)
: MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE;
Glares[light] = desc;
}
else
{
Glares.Remove(light);
}
}
internal static void UpdateGlare(LightId light, MyGlareDesc desc)
{
if(desc.Enabled)
{
var gid = light.ParentGID;
if (gid != -1 && MyIDTracker<MyActor>.FindByID((uint)gid) != null)
{
var matrix = MyIDTracker<MyActor>.FindByID((uint)gid).WorldMatrix;
Vector3.TransformNormal(ref desc.Direction, ref matrix, out desc.Direction);
}
desc.MaxDistance = (desc.MaxDistance > 0)
? (float)Math.Min(MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE, desc.MaxDistance)
: MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE;
Glares[light] = desc;
}
else
{
Glares.Remove(light);
}
}
internal static void DrawDistantGlare(LightId light, ref MyGlareDesc glare, float distance)
{
//float alpha = m_occlusionRatio * intensity;
float alpha = glare.Intensity * (glare.QuerySize / 7.5f);
if (alpha < MyMathConstants.EPSILON)
return;
const int minGlareRadius = 5;
const int maxGlareRadius = 150;
//glare.QuerySize
// parent range
float radius = MathHelper.Clamp(glare.Range * distance / 100.0f, minGlareRadius, maxGlareRadius);
float drawingRadius = radius;
var startFadeout = 1000;
var endFadeout = 1100;
if (distance > startFadeout)
{
var fade = (distance - startFadeout) / (endFadeout - startFadeout);
alpha *= (1 - fade);
}
if (alpha < MyMathConstants.EPSILON)
return;
var color = glare.Color;
color.A = 0;
var material = (glare.Type == MyGlareTypeEnum.Distant && distance > MyRenderConstants.MAX_GPU_OCCLUSION_QUERY_DISTANCE) ? "LightGlareDistant" : "LightGlare";
MyBillboardsHelper.AddBillboardOriented(material,
color * alpha, light.Position, MyEnvironment.InvView.Left, MyEnvironment.InvView.Up, drawingRadius);
}
internal static void DrawNormalGlare(LightId light, ref MyGlareDesc glare, Vector3 L, float distance)
{
//if (m_occlusionRatio <= MyMathConstants.EPSILON)
// return;
var intensity = glare.Intensity;
var maxDistance = glare.MaxDistance;
//float alpha = m_occlusionRatio * intensity;
float alpha = intensity;
const float minGlareRadius = 0.2f;
const float maxGlareRadius = 10;
float radius = MathHelper.Clamp(glare.Range * 20, minGlareRadius, maxGlareRadius);
float drawingRadius = radius * glare.Size;
if (glare.Type == MyGlareTypeEnum.Directional)
{
float dot = Vector3.Dot(L, glare.Direction);
alpha *= dot;
}
if (alpha <= MyMathConstants.EPSILON)
return;
if (distance > maxDistance * .5f)
{
// distance falloff
float falloff = (distance - .5f * maxDistance) / (.5f * maxDistance);
falloff = (float)Math.Max(0, 1 - falloff);
drawingRadius *= falloff;
alpha *= falloff;
}
if (drawingRadius <= float.Epsilon)
return;
var color = glare.Color;
color.A = 0;
MyBillboardsHelper.AddBillboardOriented(glare.Material.ToString(),
color * alpha, light.Position, MyEnvironment.InvView.Left, MyEnvironment.InvView.Up, drawingRadius);
}