##### Ninja Library - Drawing Function

# njDrawTexture

Draws a texture polygon

### FORMAT

`

  void njDrawTexture( *polygon, count, tex, trans )
  NJS_TEXTURE_VTX *polygon
  Int count
  Int tex
  Int trans

`

### PARAMETER

  `*polygon` | Pointer for NJS_TEXTURE_VTX structure
  `count` | Vertex number
  `tex` | Texture global index
  `trans` | Transparent effective (TRUE), ineffective (FALSE)

### RETURN

  None

### DESCRIPTION

  Draws a texture polygon. Input vertex count number for strip format. Initialize, set and load texture before using function. For texture or color, please set trans to TRUE when using transparet drawing and to FALSE when not using it. The relationship with the Z coordinate of other drawing functions is as follows: Z = 1/(-z)
  z: Coordinate in other drawing function (-65536.f < z < 0.f)

  Therefore, the valid range for Z is from 1.0f to infinity.

### EXAMPLE

      The following draws a square.
      The vertex order is as follows.
      1 3
      2 4
      NJS_TEXNAME texname[1];
      NJS_TEXLIST texlist ={texname,1};
      NJS_TEXMEMLIST tex[1];
      NJS_TEXTURE_VTX poly[4];
      Sint8 *texbuf
      /* Set texture initialization */
      njInitTexture(tex,1);
      texbuf = syMalloc(0x20800);
      njInitTextureBuffer(texbuf,0x20800);
      njSetTextureName(&texname[0],"file0.pvr",0,NJD_TEXATTR_TYPE_FILE|
            NJD_TEXATTR_GLOBALINDEX);
      njLoadTexture(&texlist);
      syFree(texbuf);
      njSetTexture(&texlist);
      poly[0].x = 100.f;
      poly[0].y = 100.f;
      poly[0].z = 0.5f;
      poly[0].u = 0.f;
      poly[0].v = 0.f;
      poly[0].col = 0xFFFFFFFF;
      poly[1].x = 100.f;
      poly[1].y = 300.f;
      poly[1].z = 0.5.f;
      poly[1].u = 0.f;
      poly[1].v = 1.f;
      poly[1].col = 0xFFFFFFFF;
      poly[2].x = 300.f;
      poly[2].y = 100.f;
      poly[2].z = 0.5f;
      poly[2].u = 1.f;
      poly[2].v = 0.f;
      poly[2].col = 0xFFFFFFFF;
      poly[3].x = 300.f;
      poly[3].y = 300.f;
      poly[3].z = 0.5f;
      poly[3].u = 1.f;
      poly[3].v = 1.f;
      poly[3].col = 0xFFFFFFFF;
      /* Paste global index 0 texture on polygon */
      njDrawTexture( poly, 4, 0, FALSE);

### REFERENCE

  `njDrawPolygon()
  `

njDrawTexture

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