DebugGrid::DebugGrid(int size, int padding)
{
const int HALF_SIZE = size / 2;
std::vector<float> m_verts;
for(int i = -HALF_SIZE; i <= HALF_SIZE; i += padding)
{
AddToVector(m_verts, -HALF_SIZE, 0.0f, (float)i);
AddToVector(m_verts, HALF_SIZE, 0.0f, (float)i);
AddToVector(m_verts, (float)i, 0.0f, -HALF_SIZE);
AddToVector(m_verts, (float)i, 0.0f, HALF_SIZE);
}
m_vbo = new VertexBufferObject(m_verts, false, false, CL_LINES);
SetColor(Color::Blue);
}
void CLoad3DS::ComputeNormals(t3DModel *pModel)
{
int i;
CVector3 vVector1, vVector2, vNormal, vPoly[3];
if(pModel->numOfObjects <= 0)
return;
for(int index = 0; index < pModel->numOfObjects; index++)
{
t3DObject *pObject = &(pModel->pObject[index]);
pObject->pNormals = new CVector3 [pObject->numOfVerts];
for(i=0; i < pObject->numOfFaces; i++)
{
unsigned short* pIdx = pObject->pFaces[i].vertIndex;
vPoly[0] = pObject->pVerts[pIdx[0]];
vPoly[1] = pObject->pVerts[pIdx[1]];
vPoly[2] = pObject->pVerts[pIdx[2]];
vVector1 = SubVector(vPoly[0], vPoly[1]);
vVector2 = SubVector(vPoly[0], vPoly[2]);
vNormal = Cross(vVector1, vVector2);
Normalize(vNormal);
AddToVector(pObject->pNormals[pIdx[0]], vNormal);
AddToVector(pObject->pNormals[pIdx[1]], vNormal);
AddToVector(pObject->pNormals[pIdx[2]], vNormal);
}
for (i = 0; i < pObject->numOfVerts; i++)
{
Normalize(pObject->pNormals[i]);
}
}
}
void DrawQuads()
{
if(g_DrawVertices->size() < 4 * 3)
return;
//Create verts to draw triangle
std::vector<float> vertices;
for(size_t i = 0; i < g_DrawVertices->size(); i += 12)
{
Vector3Df one((*g_DrawVertices)[i], (*g_DrawVertices)[i + 1], (*g_DrawVertices)[i + 2]);
Vector3Df two((*g_DrawVertices)[i + 3], (*g_DrawVertices)[i + 4], (*g_DrawVertices)[i + 5]);
Vector3Df three((*g_DrawVertices)[i + 6], (*g_DrawVertices)[i + 7], (*g_DrawVertices)[i + 8]);
Vector3Df four((*g_DrawVertices)[i + 9], (*g_DrawVertices)[i + 10], (*g_DrawVertices)[i + 11]);
AddToVector(vertices, one);
AddToVector(vertices, two);
AddToVector(vertices, three);
AddToVector(vertices, one);
AddToVector(vertices, three);
AddToVector(vertices, four);
}
//Create verts to draw triangle
std::vector<float> normals;
for(size_t i = 0; i < g_DrawNormals->size(); i += 12)
{
Vector3Df one((*g_DrawNormals)[i], (*g_DrawNormals)[i + 1], (*g_DrawNormals)[i + 2]);
Vector3Df two((*g_DrawNormals)[i + 3], (*g_DrawNormals)[i + 4], (*g_DrawNormals)[i + 5]);
Vector3Df three((*g_DrawNormals)[i + 6], (*g_DrawNormals)[i + 7], (*g_DrawNormals)[i + 8]);
Vector3Df four((*g_DrawNormals)[i + 9], (*g_DrawNormals)[i + 10], (*g_DrawNormals)[i + 11]);
AddToVector(normals, one);
AddToVector(normals, two);
AddToVector(normals, three);
AddToVector(normals, one);
AddToVector(normals, three);
AddToVector(normals, four);
}
std::vector<float> texCoord;
//Create tex coords to draw triangle
if(g_DrawTextureCoords->size() >= 4 * 2) //4 verts * 2 uv
{
for(size_t i = 0; i < g_DrawTextureCoords->size(); i += 8)
{
Vector2Df one((*g_DrawTextureCoords)[i], (*g_DrawTextureCoords)[i + 1]);
Vector2Df two((*g_DrawTextureCoords)[i + 2], (*g_DrawTextureCoords)[i + 3]);
Vector2Df three((*g_DrawTextureCoords)[i + 4], (*g_DrawTextureCoords)[i + 5]);
Vector2Df four((*g_DrawTextureCoords)[i + 6], (*g_DrawTextureCoords)[i + 7]);
AddToVector(texCoord, one);
AddToVector(texCoord, two);
AddToVector(texCoord, three);
AddToVector(texCoord, one);
AddToVector(texCoord, three);
AddToVector(texCoord, four);
}
}
DrawTriangles(vertices, texCoord, normals);
}
