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[ADD] GRRLIB_DrawCone

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N0NameN0 2010-05-01 17:16:14 +00:00
parent a968a16dfa
commit 8b2208e270
2 changed files with 44 additions and 1 deletions
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44
GRRLIB/GRRLIB/GRRLIB_3D.c
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@ -502,6 +502,8 @@ void GRRLIB_DrawCube(f32 size, bool filled, u32 col) {
* @param r Radius of the cylinder.
* @param h High of the cylinder.
* @param d Dencity of slice.
* @param cap1 Draw the upper Cap.
* @param cap2 Draw the under Cap.
* @param filled Wired or not.
* @param col Color of the cylinder.
*/
@ -548,6 +550,46 @@ void GRRLIB_DrawCylinder(f32 r, f32 h, int d, bool filled, u32 col) {
GX_End();
}
/**
* Draw a cone (with normal).
* @param r Radius of the cone.
* @param h High of the cone.
* @param d Dencity of slice.
* @param cap Draw the under cap or not.
* @param filled Wired or not.
* @param col Color of the cone.
*/
void GRRLIB_DrawCone(f32 r, f32 h, int d, bool filled, u32 col) {
int i;
f32 dx, dy;
if(filled) GX_Begin(GX_TRIANGLESTRIP, GX_VTXFMT0, 2 * (d+1));
else GX_Begin(GX_LINESTRIP, GX_VTXFMT0, 2 * (d+1));
for(i = 0 ; i <= d ; i++) {
dx = cosf( M_PI * 2.0f * i / d );
dy = sinf( M_PI * 2.0f * i / d );
GX_Position3f32( 0, -0.5f * h,0);
GX_Normal3f32( dx, 0.0f, dy );
GX_Color1u32(col);
GX_Position3f32( r * dx, 0.5f * h, r * dy );
GX_Normal3f32( dx, 0.0f, dy );
GX_Color1u32(col);
}
GX_End();
if(filled) GX_Begin(GX_TRIANGLEFAN, GX_VTXFMT0, d+2);
else GX_Begin(GX_LINESTRIP, GX_VTXFMT0, d+2);
GX_Position3f32(0.0f, 0.5f * h, 0.0f);
GX_Normal3f32(0.0f, 1.0f, 0.0f);
GX_Color1u32(col);
for(i = 0 ; i <= d ; i++) {
GX_Position3f32( r * cosf( M_PI * 2.0f * i / d ), 0.5f * h, r * sinf( M_PI * 2.0f * i / d ) );
GX_Normal3f32(0.0f, 1.0f, 0.0f);
GX_Color1u32(col);
}
GX_End();
}
/**
* Set ambient color.
* When no diffuse ligth is shinig on a object, the color is equal to ambient color.
@ -594,7 +636,7 @@ void GRRLIB_SetLightDiff(u8 num, guVector pos, f32 distattn, f32 brightness, u32
void GRRLIB_SetLightSpec(u8 num, guVector dir, f32 shy, u32 lightcolor, u32 speccolor) {
Mtx mr,mv;
GXLightObj MyLight;
guVector ldir = {ldir.x, ldir.y, ldir.z};
guVector ldir = {dir.x, dir.y, dir.z};
GRRLIB_Settings.lights |= (1<<num);

1
GRRLIB/GRRLIB/grrlib/GRRLIB__lib.h
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@ -162,6 +162,7 @@ void GRRLIB_DrawTorus(f32 r, f32 R, int nsides, int rings, bool filled, u32 col)
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_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);