The Ecere SDK - sdk/blob - ecere/src/gfx/3D/meshes/Cube.ec

   1 namespace gfx3D::meshes;
   2
   3 /****************************************************************************
   4    ECERE Runtime Library
   5
   6    Copyright (c) 2001 Jerome Jacovella-St-Louis
   7    All Rights Reserved.
   8
   9    cube.ec - Translucent Cube 3D Model
  10 ****************************************************************************/
  11 import "Display"
  12
  13 public class Cube : Object
  14 {
  15 public:
  16    bool Create(DisplaySystem displaySystem)
  17    {
  18       bool result = false;
  19       if(this)
  20       {
  21          InitializeMesh(displaySystem);
  22
  23          if(mesh)
  24          {
  25             if(mesh.Allocate({ vertices = true, texCoords1 = true }, 24, displaySystem))
  26             {
  27                Vector3Df vertices[24] =
  28                {
  29                   { -(float)size.x/2,-(float)size.y/2,-(float)size.z/2 },
  30                   {  (float)size.x/2,-(float)size.y/2,-(float)size.z/2 },
  31                   {  (float)size.x/2, (float)size.y/2,-(float)size.z/2 },
  32                   { -(float)size.x/2, (float)size.y/2,-(float)size.z/2 },
  33                   { -(float)size.x/2,-(float)size.y/2, (float)size.z/2 },
  34                   {  (float)size.x/2,-(float)size.y/2, (float)size.z/2 },
  35                   {  (float)size.x/2, (float)size.y/2, (float)size.z/2 },
  36                   { -(float)size.x/2, (float)size.y/2, (float)size.z/2 },
  37
  38                   { -(float)size.x/2,-(float)size.y/2,-(float)size.z/2 },
  39                   {  (float)size.x/2,-(float)size.y/2,-(float)size.z/2 },
  40                   {  (float)size.x/2, (float)size.y/2,-(float)size.z/2 },
  41                   { -(float)size.x/2, (float)size.y/2,-(float)size.z/2 },
  42                   { -(float)size.x/2,-(float)size.y/2, (float)size.z/2 },
  43                   {  (float)size.x/2,-(float)size.y/2, (float)size.z/2 },
  44                   {  (float)size.x/2, (float)size.y/2, (float)size.z/2 },
  45                   { -(float)size.x/2, (float)size.y/2, (float)size.z/2 },
  46
  47                   { -(float)size.x/2,-(float)size.y/2,-(float)size.z/2 },
  48                   {  (float)size.x/2,-(float)size.y/2,-(float)size.z/2 },
  49                   {  (float)size.x/2, (float)size.y/2,-(float)size.z/2 },
  50                   { -(float)size.x/2, (float)size.y/2,-(float)size.z/2 },
  51                   { -(float)size.x/2,-(float)size.y/2, (float)size.z/2 },
  52                   {  (float)size.x/2,-(float)size.y/2, (float)size.z/2 },
  53                   {  (float)size.x/2, (float)size.y/2, (float)size.z/2 },
  54                   { -(float)size.x/2, (float)size.y/2, (float)size.z/2 }
  55                };
  56                Pointf texCoords[24] =
  57                {
  58                   { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 },
  59                   { 1, 0 }, { 0, 0 }, { 0, 1 }, { 1, 1 },
  60                   { 1, 0 }, { 0, 0 }, { 0, 1 }, { 1, 1 },
  61                   { 0, 0 }, { 1, 0 }, { 1, 1 }, { 0, 1 },
  62                   { 0, 1 }, { 1, 1 }, { 1, 1 }, { 0, 1 },
  63                   { 0, 0 }, { 1, 0 }, { 1, 0 }, { 0, 0 }
  64                };
  65                uint16 indices[6][4] =
  66                {
  67                   // up, front, down, back, right, left
  68                   { 17,21,20,16 },
  69                   { 0,3,2,1 },
  70                   { 22,18,19,23 },
  71                   { 5,6,7,4 },
  72                   { 9,10,14,13 },
  73                   { 12,15,11,8 }
  74                };
  75
  76                int c;
  77
  78                CopyBytes(mesh.vertices, vertices, sizeof(vertices));
  79                CopyBytes(mesh.texCoords, texCoords, sizeof(texCoords));
  80
  81                for(c = 0; c<6; c++)
  82                {
  83                   PrimitiveGroup group;
  84                   Material material;
  85                   char name[20];
  86                   /*
  87                   sprintf(name, "tex%d.bmp", c+1);
  88                   if(c == 3) strcpy(name, "glass.bmp");
  89                   */
  90                   sprintf(name, "Cube Face %d", c+1);
  91                   material = displaySystem.AddNamedMaterial(name);
  92                   if(material)
  93                   {
  94                      material.flags = { noFog = true, doubleSided = true, translucent = true };
  95                      material.opacity = 0.5f;
  96                      material.opacity = 1;
  97                      material.diffuse.r = material.diffuse.g = material.diffuse.b = 1;
  98                      material.ambient = material.diffuse;
  99
 100                      /*
 101                      material.baseMap = display.GetTexture(, name);
 102                      if(!material.baseMap)
 103                      {
 104                         material.baseMap = Bitmap { };
 105                         material.baseMap.LoadMipMaps(name, null, displaySystem);
 106                         displaySystem.AddTexture(name, material.baseMap);
 107                      }*/
 108                   }
 109                   group = mesh.AddPrimitiveGroup(quads, 4);
 110                   // group = mesh.AddPrimitiveGroup(triFan, 4);
 111                   if(group)
 112                   {
 113                      CopyBytes(group.indices, indices[c], sizeof(indices[c]));
 114                      mesh.UnlockPrimitiveGroup(group);
 115                      group.material = material;
 116                   }
 117                }
 118                mesh.ComputeNormals();
 119                result = true;
 120                mesh.Unlock(0);
 121             }
 122             SetMinMaxRadius(true);
 123          }
 124       }
 125       return result;
 126    }
 127
 128    property Vector3Df size { set { size = value; } };
 129
 130 private:
 131    Cube()
 132    {
 133       size = { 1,1,1 };
 134    }
 135
 136    Vector3Df size;
 137 }