void draw_primitives(int rotation)
{
spSetZTest( primitives_z );
spSetZSet( primitives_z );
spSetBlending( primitives_blending?spFloatToFixed(0.5):SP_ONE );
SDL_Surface* screen = spGetWindowSurface();
srand( 0 );
int i;
for ( i = 0; i < 8; i++ )
spEllipseBorder( rand() % screen->w, rand() % screen->h, 0, rand() % screen->w / 4, rand() % screen->h / 4, 10, 20, rand() % 65536 );
for ( i = 0; i < 8; i++ )
spEllipse( rand() % screen->w, rand() % screen->h, 0, rand() % screen->w / 4, rand() % screen->h / 4, rand() % 65536 );
for ( i = 0; i < 8; i++ )
spRectangleBorder( rand() % screen->w, rand() % screen->h, 0,
rand() % screen->w / 2, rand() % screen->h / 2, 12, 6, rand() % 65536 );
for ( i = 0; i < 8; i++ )
spRectangle( rand() % screen->w, rand() % screen->h, 0,
rand() % screen->w / 2, rand() % screen->h / 2, rand() % 65536 );
for ( i = 0; i < 64; i++ )
{
spSetLineWidth(rand()%8+1);
spLine( rand() % screen->w, rand() % screen->h, 0,
rand() % screen->w, rand() % screen->h, 0, rand() % 65536 );
}
/*spSetLineWidth(5);
spLine(292,113,0,29,192,0,12345);*/
spSetLineWidth(1);
spSetZTest( 1 );
spSetZSet( 1 );
spSetBlending( SP_ONE );
}
void ItemVortex::render( SDL_Surface *const target )
{
if ( vortex.running() )
{
for( int r = shape.radius; r > 0; r-- )
{
switch( ( r + animationOffset ) % 11 )
{
case 0:
case 1:
case 2:
spEllipseBorder( *x, *y, -1, r, r, 1, 1, spGetFastRGB( 192, 0, 192 ) );
break;
default:
break;
}
}
//spEllipse( *x, *y, -1, shape.radius, shape.radius, spGetFastRGB( 192, 192, 192 ) );
}
else
{
UnitBase::render( target );
}
}
void draw_function( void )
{
//Cleaning the target (in this case the screen surface) with 0 (black).
//In this case I don't clean the zBuffer, because I don't use it. ;-)
//But you ARE able to use it, if you want!
spResetZBuffer();
spClearTarget( 34567 );
//Set the origin:
switch ( ( rotation >> 17 ) % 9 )
{
case 0:
spSetHorizontalOrigin( SP_CENTER );
spSetVerticalOrigin( SP_CENTER );
break;
case 1:
spSetHorizontalOrigin( SP_LEFT );
spSetVerticalOrigin( SP_CENTER );
break;
case 2:
spSetHorizontalOrigin( SP_LEFT );
spSetVerticalOrigin( SP_TOP );
break;
case 3:
spSetHorizontalOrigin( SP_CENTER );
spSetVerticalOrigin( SP_TOP );
break;
case 4:
spSetHorizontalOrigin( SP_RIGHT );
spSetVerticalOrigin( SP_TOP );
break;
case 5:
spSetHorizontalOrigin( SP_RIGHT );
spSetVerticalOrigin( SP_CENTER );
break;
case 6:
spSetHorizontalOrigin( SP_RIGHT );
spSetVerticalOrigin( SP_BOTTOM );
break;
case 7:
spSetHorizontalOrigin( SP_CENTER );
spSetVerticalOrigin( SP_BOTTOM );
break;
case 8:
spSetHorizontalOrigin( SP_LEFT );
spSetVerticalOrigin( SP_BOTTOM );
break;
}
//Drawing the sprite in the middle of the screen
spDrawSprite( screen->w / 2, screen->h / 2, -1, sprite );
spDrawSprite( screen->w - 1, screen->h - 1, -1, sprite );
spDrawSprite( screen->w - 1, 0, -1, sprite );
spDrawSprite( 0, screen->h - 1, -1, sprite );
spDrawSprite( 0, 0, -1, sprite );
//mark the center
//spEllipseBorder( screen->w / 2, screen->h / 2, -100, 60+spSin(rotation/2)/1000, 60+spCos(rotation/3)/1000, 20+spCos(rotation/7)/10000, 20+spSin(rotation/5)/10000, 0 );
spEllipseBorder( screen->w / 2, screen->h / 2, -100, 6, 6, 2, 2, 0 );
//Show it!
spFlip();
}
