Snowflakes.inc.c File Reference

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Functions
void N	build_gfx_star (s32 index)

Function Documentation

build_gfx_star()

void N build_gfx_star

(

s32

index

)

Definition at line 7 of file Snowflakes.inc.c.

                                  {
    Vtx* firstVertex;
    Vtx* copiedVertices;
    s32 numVertices;
    s32 i;
    s32 temp3;
 
    mdl_get_copied_vertices(index, &firstVertex, &copiedVertices, &numVertices);
 
    for (i = 0; i < numVertices; i++) {
        Vtx* vtx = &copiedVertices[i];
        s16 temp1 = (sins(N(StarAnimPhases)[index] * (i % 3 + 1) + i) + 0x8000) / 2;
        s32 temp2 = temp1 * 155;
        vtx->v.cn[2] = temp2 / 0x8000 + 100;
        vtx->v.cn[1] = temp2 / 0x8000 + 50;
 
        temp3 = sins(N(StarAnimPhases)[index] / 0x8000 * (((i / 2) % 3 + 1) << 15)  + N(StarAnimPhases)[index] / 0x4000 * 0x8000 + i) + 0x8000;
        vtx->v.cn[0] = vtx->v.cn[0] * temp3 / 0x10000;
    }
 
    gSPDisplayList(gMainGfxPos++, mdl_get_copied_gfx(index));
    N(StarAnimPhases)[index] += 0x253;
}