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Sprite lighting fix

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This commit is contained in:
yvt 2013-11-19 02:31:24 +09:00
parent d1533f6181
commit 8634eadb29
1 changed files with 7 additions and 4 deletions
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11
Sources/Draw/GLSoftLitSpriteRenderer.cpp
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@ -132,7 +132,6 @@ namespace spades {
continue;
float att = 1.f - powdist / (effectiveRadius * effectiveRadius);
float unif;
float directionalFactor = 1.f;
unif = 1.f - powdist / (spr.radius * spr.radius);
unif = std::max(.2f, unif);
@ -142,7 +141,6 @@ namespace spades {
continue;
}else if(forward >= -spr.radius){
att *= .5f - (forward / spr.radius) * .5f;
directionalFactor = 1.f;
}else{
float cx = Vector3::Dot(spr.center - dl.origin, dl.spotAxis[0]);
float cy = Vector3::Dot(spr.center - dl.origin, dl.spotAxis[1]);
@ -163,9 +161,14 @@ namespace spades {
Vector4 final;
if(unif < .9999f) {
Vector4 directional = {v.x, v.y, v.z, 1.f
float directionalScale = (1.f - unif) / sqrtf(powdist);
Vector4 directional = {
v.x * directionalScale,
v.y * directionalScale,
v.z * directionalScale,
unif
};
directional *= att * directionalFactor * (1.f - unif) / sqrtf(powdist);
directional *= att;
final = directional;
}else {
final.x = 0.f;