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Mitered edges look bad with sharp angles; make GrooveRadar use

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rounded edges instead.

This also lets us use lines instead of polys, which have cheap antialiasing
on a lot of hardware, which makes the radar look a lot better.
This commit is contained in:
Glenn Maynard
2002-11-14 09:06:54 +00:00
parent 6b12eddc7f
commit f730e6d981
1 changed files with 7 additions and 14 deletions
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stepmania/src/GrooveRadar.cpp
+7 -14
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@@ -175,30 +175,23 @@ void GrooveRadar::GrooveRadarValueMap::DrawPrimitives()
DISPLAY->DrawFan( v, 7 );
//
// use a strip to draw the thick line
// use a line loop to draw the thick line
//
for( i=0; i<NUM_RADAR_CATEGORIES+1; i++ ) // do one extra to close the fan
for( i=0; i<NUM_RADAR_CATEGORIES; i++ )
{
const int c = i%NUM_RADAR_CATEGORIES;
const float fDistFromCenter =
( m_fValuesOld[p][c] * (1-m_PercentTowardNew[p]) + m_fValuesNew[p][c] * m_PercentTowardNew[p] + 0.07f ) * fRadius;
const float fDistFromCenterInner = fDistFromCenter-RADAR_EDGE_WIDTH/2;
const float fDistFromCenterOutter = fDistFromCenter+RADAR_EDGE_WIDTH/2;
const float fRotation = RADAR_VALUE_ROTATION(i);
const float fXInner = cosf(fRotation) * fDistFromCenterInner;
const float fXOutter = cosf(fRotation) * fDistFromCenterOutter;
const float fYInner = -sinf(fRotation) * fDistFromCenterInner;
const float fYOutter = -sinf(fRotation) * fDistFromCenterOutter;
const float fX = cosf(fRotation) * fDistFromCenter;
const float fY = -sinf(fRotation) * fDistFromCenter;
v[i*2+0].p = RageVector3( fXInner, fYInner, 0 );
v[i*2+1].p = RageVector3( fXOutter, fYOutter, 0 );
v[i*2+0].c = PlayerToColor( (PlayerNumber)p );
v[i*2+1].c = v[i*2+0].c;
v[i+0].p = RageVector3( fX, fY, 0 );
v[i+0].c = PlayerToColor( (PlayerNumber)p );
}
DISPLAY->DrawStrip( v, 12 );
DISPLAY->DrawLoop( v, NUM_RADAR_CATEGORIES, RADAR_EDGE_WIDTH );
}
}