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working on perspective stuff for tilted menu items

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This commit is contained in:
Chris Danford
2003-04-23 05:54:56 +00:00
parent ef89561fa9
commit ee47352dd0
7 changed files with 87 additions and 47 deletions
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stepmania/src/MusicWheel.cpp
+53 -41
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@@ -528,6 +528,8 @@ void MusicWheel::GetItemPosition( float fPosOffsetsFromMiddle, float& fX_out, fl
fX_out = 0;
fY_out = -radius*sinf(fRotationX_out);
fZ_out = -100+radius*cosf(fRotationX_out); // getting werid results with acosf()
fRotationX_out *= 180.f/PI; // to degrees
}
else
{
@@ -586,61 +588,71 @@ void MusicWheel::DrawPrimitives()
{
if( USE_3D )
{
DISPLAY->PushMatrix();
DISPLAY->EnterPerspective(45, false);
// DISPLAY->PushMatrix();
// DISPLAY->EnterPerspective(45, false);
// construct view and project matrix
RageVector3 Up( 0.0f, 1.0f, 0.0f );
RageVector3 Eye( CENTER_X, CENTER_Y, 550 );
RageVector3 At( CENTER_X, CENTER_Y, 0 );
// RageVector3 Up( 0.0f, 1.0f, 0.0f );
// RageVector3 Eye( CENTER_X, CENTER_Y, 550 );
// RageVector3 At( CENTER_X, CENTER_Y, 0 );
DISPLAY->LookAt(Eye, At, Up);
// DISPLAY->LookAt(Eye, At, Up);
}
for( int i=0; i<NUM_WHEEL_ITEMS; i++ )
{
MusicWheelItem& display = m_MusicWheelItems[i];
// draw outside->inside
int i;
for( i=0; i<NUM_WHEEL_ITEMS/2; i++ )
DrawItem( i );
for( i=NUM_WHEEL_ITEMS-1; i>=NUM_WHEEL_ITEMS/2; i-- )
DrawItem( i );
switch( m_WheelState )
{
case STATE_SELECTING_MUSIC:
case STATE_ROULETTE_SPINNING:
case STATE_ROULETTE_SLOWING_DOWN:
case STATE_RANDOM_SPINNING:
case STATE_LOCKED:
{
float fThisBannerPositionOffsetFromSelection = i - NUM_WHEEL_ITEMS/2 + m_fPositionOffsetFromSelection;
float fX, fY, fZ, fRotationX;
GetItemPosition( fThisBannerPositionOffsetFromSelection, fX, fY, fZ, fRotationX );
if( fY < -SCREEN_HEIGHT/2 || fY > SCREEN_HEIGHT/2 )
continue; // skip
display.SetXY( fX, fY );
display.SetZ( fZ );
display.SetRotationX( fRotationX );
}
break;
}
if( m_WheelState == STATE_LOCKED && i != NUM_WHEEL_ITEMS/2 )
display.m_fPercentGray = 0.5f;
else
display.m_fPercentGray = 0;
display.Draw();
}
ActorFrame::DrawPrimitives();
if( USE_3D )
{
DISPLAY->ExitPerspective();
DISPLAY->PopMatrix();
// DISPLAY->ExitPerspective();
// DISPLAY->PopMatrix();
}
}
void MusicWheel::DrawItem( int i )
{
MusicWheelItem& display = m_MusicWheelItems[i];
switch( m_WheelState )
{
case STATE_SELECTING_MUSIC:
case STATE_ROULETTE_SPINNING:
case STATE_ROULETTE_SLOWING_DOWN:
case STATE_RANDOM_SPINNING:
case STATE_LOCKED:
{
float fThisBannerPositionOffsetFromSelection = i - NUM_WHEEL_ITEMS/2 + m_fPositionOffsetFromSelection;
float fX, fY, fZ, fRotationX;
GetItemPosition( fThisBannerPositionOffsetFromSelection, fX, fY, fZ, fRotationX );
// if( fY < -SCREEN_HEIGHT/2 || fY > SCREEN_HEIGHT/2 )
// continue; // skip
display.SetXY( fX, fY );
display.SetZ( fZ );
display.SetRotationX( fRotationX );
}
break;
}
if( m_WheelState == STATE_LOCKED && i != NUM_WHEEL_ITEMS/2 )
display.m_fPercentGray = 0.5f;
else
display.m_fPercentGray = 0;
display.Draw();
}
void MusicWheel::UpdateScrollbar()
{
int total_num_items = m_CurWheelItemData.size();