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generalize texture coord gen

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Glenn Maynard
2005-11-28 16:54:19 +00:00
parent 5be508809b
commit 40c3fa3995
1 changed files with 11 additions and 8 deletions
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stepmania/src/Sprite.cpp
+11 -8
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@@ -455,15 +455,18 @@ void Sprite::DrawTexture( const TweenState *state )
RageVector2( f[6], f[7] ) // top right
};
v[0].t.x = SCALE( v[0].p.x, quadVerticies.left, quadVerticies.right, texCoords[0].x, texCoords[3].x );
v[1].t.x = SCALE( v[1].p.x, quadVerticies.left, quadVerticies.right, texCoords[1].x, texCoords[2].x );
v[2].t.x = SCALE( v[2].p.x, quadVerticies.left, quadVerticies.right, texCoords[1].x, texCoords[2].x );
v[3].t.x = SCALE( v[3].p.x, quadVerticies.left, quadVerticies.right, texCoords[0].x, texCoords[3].x );
for( int i = 0; i < 4; ++i )
{
RageSpriteVertex *pVert = &v[i];
v[0].t.y = SCALE( v[0].p.y, quadVerticies.top, quadVerticies.bottom, texCoords[0].y, texCoords[1].y );
v[1].t.y = SCALE( v[1].p.y, quadVerticies.top, quadVerticies.bottom, texCoords[0].y, texCoords[1].y );
v[2].t.y = SCALE( v[2].p.y, quadVerticies.top, quadVerticies.bottom, texCoords[3].y, texCoords[2].y );
v[3].t.y = SCALE( v[3].p.y, quadVerticies.top, quadVerticies.bottom, texCoords[3].y, texCoords[2].y );
float fTopX = SCALE( pVert->p.x, quadVerticies.left, quadVerticies.right, texCoords[0].x, texCoords[3].x );
float fBottomX = SCALE( pVert->p.x, quadVerticies.left, quadVerticies.right, texCoords[1].x, texCoords[2].x );
pVert->t.x = SCALE( pVert->p.x, quadVerticies.top, quadVerticies.bottom, fTopX, fBottomX );
float fLeftY = SCALE( pVert->p.y, quadVerticies.top, quadVerticies.bottom, texCoords[0].y, texCoords[1].y );
float fRightY = SCALE( pVert->p.y, quadVerticies.top, quadVerticies.bottom, texCoords[3].y, texCoords[2].y );
pVert->t.y = SCALE( pVert->p.y, quadVerticies.left, quadVerticies.right, fLeftY, fRightY );
}
}
else
{