Fixed split sprites rotation when using XY billboard

IgeNiaI · Aug 27, 2024 · e1cd9e7 · e1cd9e7
1 parent f4a758f
commit e1cd9e7
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/src/gl/scene/gl_sprite.cpp b/src/gl/scene/gl_sprite.cpp
@@ -277,7 +277,6 @@ void GLSprite::Draw(int pass)
 			// in the x/y plane.
 			float xcenter = (x1 + x2)*0.5;
 			float ycenter = (y1 + y2)*0.5;
-			float zcenter = (z1 + z2)*0.5;
 			float angleRad = DEG2RAD(270. - float(GLRenderer->mAngles.Yaw));
 
 			Matrix3x4 mat;
@@ -718,6 +717,7 @@ void GLSprite::Process(AActor* thing,sector_t * sector)
 
 		z1=z-r.top;
 		z2=z1-r.height;
+		zcenter=(z1+z2)*0.5;
 
 		float spriteheight = FIXED2FLOAT(spritescaleY) * gltexture->GetScaledHeightFloat(GLUSE_SPRITE);
 

diff --git a/src/gl/scene/gl_wall.h b/src/gl/scene/gl_wall.h
@@ -316,6 +316,7 @@ class GLSprite
 	float vt,vb;
 	float x1,y1,z1;
 	float x2,y2,z2;
+	float zcenter; // [geNia] to rotate XY billboard around this point in case the sprite gets split
 
 	FMaterial *gltexture;
 	float trans;