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[ADD] GRRLIB_DrawTessPanel to draw (as the name says) a tessellated pannel ;)

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N0NameN0 2010-05-10 18:35:49 +00:00
parent 2ad5794867
commit 08f93839ac
2 changed files with 35 additions and 0 deletions
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34
GRRLIB/GRRLIB/GRRLIB_3D.c
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@ -587,6 +587,40 @@ void GRRLIB_DrawCone(f32 r, f32 h, int d, bool filled, u32 col) {
GX_End();
}
/**
* Draw a Tesselated pannel (with normal).
* @param w Width of the panel.
* @param wstep Size of width slices.
* @param h Height of the pannel.
* @param hstep Size the de height slices.
* @param filled Wired or not.
* @param col Color of the cone.
*/
void GRRLIB_DrawTessPanel(f32 w, f32 wstep, f32 h, f32 hstep, bool filled, u32 col) {
f32 x,y,tmpx, tmpy;
int tmp;
tmpy = h/2.0f;
tmpx = w/2.0f;
tmp = ((w/wstep)*2)+2;
for ( y = -tmpy ; y <= tmpy ; y+=hstep )
{
if(filled) GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, tmp);
else GX_Begin(GX_LINESTRIP, GX_VTXFMT0, tmp);
for ( x = -tmpx ; x <= tmpx ; x+=wstep )
{
GX_Position3f32( x, y, 0.0f );
GX_Normal3f32( 0.0f, 0.0f, 1.0f);
GX_Color1u32(col);
GX_Position3f32( x, y+hstep, 0.0f );
GX_Normal3f32( 0.0f, 0.0f, 1.0f);
GX_Color1u32(col);
}
GX_End();
}
}
/**
* Set ambient color.
* When no diffuse ligth is shinig on a object, the color is equal to ambient color.

1
GRRLIB/GRRLIB/grrlib/GRRLIB__lib.h
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@ -163,6 +163,7 @@ void GRRLIB_DrawSphere(f32 r, int lats, int longs, bool filled, u32 col);
void GRRLIB_DrawCube(f32 size, bool filled, u32 col);
void GRRLIB_DrawCylinder(f32 r, f32 h, int d, bool filled, u32 col);
void GRRLIB_DrawCone(f32 r, f32 h, int d, bool filled, u32 col);
void GRRLIB_DrawTessPanel(f32 w, f32 wstep, f32 h, f32 hstep, bool filled, u32 col);
void GRRLIB_SetLightAmbient(u32 ambientcolor);
void GRRLIB_SetLightDiff(u8 num, guVector pos, f32 distattn, f32 brightness, u32 lightcolor);
void GRRLIB_SetLightSpec(u8 num, guVector dir, f32 shy, u32 lightcolor, u32 speccolor);