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Added distort function to BitmapText.

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This commit is contained in:
Kyzentun
2014-02-12 18:13:49 -07:00
parent 3f1c96d10f
commit 88ad09d293
4 changed files with 51 additions and 0 deletions
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src/BitmapText.cpp
+37
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@@ -47,6 +47,8 @@ BitmapText::BitmapText()
m_bRainbowScroll = false;
m_bJitter = false;
m_fDistortion= 0.0f;
m_bUsingDistortion= false;
m_iWrapWidthPixels = -1;
m_fMaxWidth = 0;
@@ -84,6 +86,8 @@ BitmapText & BitmapText::operator=(const BitmapText &cpy)
CPY( m_fMaxHeight );
CPY( m_bRainbowScroll );
CPY( m_bJitter );
CPY( m_fDistortion );
CPY( m_bUsingDistortion );
CPY( m_iVertSpacing );
CPY( m_aVertices );
CPY( m_vpFontPageTextures );
@@ -252,6 +256,22 @@ void BitmapText::BuildChars()
// The amount of padding a line needs:
iY += iPadding;
}
if( m_bUsingDistortion )
{
int iSeed = lrintf( RageTimer::GetTimeSinceStartFast()*500000.0f );
RandomGen rnd( iSeed );
for(unsigned int i= 0; i < m_aVertices.size(); i+=4)
{
float w= m_aVertices[i+2].p.x - m_aVertices[i].p.x;
float h= m_aVertices[i+2].p.y - m_aVertices[i].p.y;
for(unsigned int ioff= 0; ioff < 4; ++ioff)
{
m_aVertices[i+ioff].p.x += ((rnd()%9) / 8.0f - .5f) * m_fDistortion * w;
m_aVertices[i+ioff].p.y += ((rnd()%9) / 8.0f - .5f) * m_fDistortion * h;
}
}
}
}
void BitmapText::DrawChars( bool bUseStrokeTexture )
@@ -470,6 +490,19 @@ void BitmapText::SetUppercase( bool b )
BuildChars();
}
void BitmapText::SetDistortion( float f )
{
m_fDistortion= f;
m_bUsingDistortion= true;
BuildChars();
}
void BitmapText::UnSetDistortion()
{
m_bUsingDistortion= false;
BuildChars();
}
void BitmapText::UpdateBaseZoom()
{
if( m_fMaxWidth == 0 )
@@ -827,6 +860,8 @@ public:
}
static int rainbowscroll( T* p, lua_State *L ) { p->SetRainbowScroll( BArg(1) ); return 0; }
static int jitter( T* p, lua_State *L ) { p->SetJitter( BArg(1) ); return 0; }
static int distort( T* p, lua_State *L) { p->SetDistortion( FArg(1) ); return 0; }
static int undistort( T* p, lua_State *L) { p->UnSetDistortion(); return 0; }
static int GetText( T* p, lua_State *L ) { lua_pushstring( L, p->GetText() ); return 1; }
static int AddAttribute( T* p, lua_State *L )
{
@@ -851,6 +886,8 @@ public:
ADD_METHOD( settext );
ADD_METHOD( rainbowscroll );
ADD_METHOD( jitter );
ADD_METHOD( distort );
ADD_METHOD( undistort );
ADD_METHOD( GetText );
ADD_METHOD( AddAttribute );
ADD_METHOD( ClearAttributes );