void Terrain::GenerateVerticesNormal()
{
//Traverse through the vertices
for(u32 vertexIndex = 0; vertexIndex < m_indexBuffer.m_indexData.size() - 3; vertexIndex += 3)
{
XCVec4 v1(m_vertexPosNormTexBuffer.m_vertexData[m_indexBuffer.m_indexData[vertexIndex]].Pos);
XCVec4 v2(m_vertexPosNormTexBuffer.m_vertexData[m_indexBuffer.m_indexData[vertexIndex + 1]].Pos);
XCVec4 v3(m_vertexPosNormTexBuffer.m_vertexData[m_indexBuffer.m_indexData[vertexIndex + 2]].Pos);
XCVec4 vertexNormal = GetNormalFromPoints(v1, v2, v3);
m_vertexPosNormTexBuffer.m_vertexData[m_indexBuffer.m_indexData[vertexIndex]].Norm = vertexNormal.GetUnaligned3();
vertexNormal = GetNormalFromPoints(v2, v1, v3);
m_vertexPosNormTexBuffer.m_vertexData[m_indexBuffer.m_indexData[vertexIndex + 1]].Norm = vertexNormal.GetUnaligned3();
vertexNormal = GetNormalFromPoints(v3, v1, v2);
m_vertexPosNormTexBuffer.m_vertexData[m_indexBuffer.m_indexData[vertexIndex + 2]].Norm, vertexNormal.GetUnaligned3();
}
}
const Vector &GetNormalFromFace( int nFace )
{
// ok, now check against all 6 faces
Vector points[8];
Assert( nFace>=0 && nFace<6 );
PointsFromBox( Vector(0,0,0), Vector(1,1,1), points );
return GetNormalFromPoints( points[s_BoxFaces[nFace][0]], points[s_BoxFaces[nFace][1]],points[s_BoxFaces[nFace][2]] );
}
void DrawInsidePhyramid()
{
CVector vertices[11] = {
{ 0.0f, 0.0f, 9.9f }, // Góra figóry
{ 0.0f, 1.9f, 0.0f }, // 1
{ 1.4f, 1.4f, 0.0f }, // 10 2
{ 1.9f, 0.0f, 0.0f }, // 9 0 3
{ 1.6f, -1.1f, 0.0f }, // 8 4
{ 0.9f, -1.4f, 0.0f }, // 7 5
{ 0.0f, -1.9f, 0.0f }, // 6
{ -0.9f, -1.4f, 0.0f }, //
{ -1.6f, -1.1f, 0.0f }, //
{ -1.9f, 0.0f, 0.0f }, //
{ -1.4f, 1.4f, 0.0f }, //
};
CVector normals[11] = {
{ 0.0f, 1.0f, 0.0f },
GetNormalFromPoints(vertices[1], vertices[0], vertices[2]),
GetNormalFromPoints(vertices[2], vertices[0], vertices[3]),
GetNormalFromPoints(vertices[3], vertices[0], vertices[4]),
GetNormalFromPoints(vertices[4], vertices[0], vertices[5]),
GetNormalFromPoints(vertices[5], vertices[0], vertices[6]),
GetNormalFromPoints(vertices[6], vertices[0], vertices[7]),
GetNormalFromPoints(vertices[7], vertices[0], vertices[8]),
GetNormalFromPoints(vertices[8], vertices[0], vertices[9]),
GetNormalFromPoints(vertices[9], vertices[0], vertices[10]),
GetNormalFromPoints(vertices[10], vertices[0], vertices[1])
};
glBegin(GL_TRIANGLES);
glColor3f(1.0, 0.0, 0.0);
glNormal3fv(normals[1].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[1].vectors);
glVertex3fv(vertices[1].vectors);
glNormal3fv(normals[1].vectors);
glVertex3fv(vertices[2].vectors);
glColor3f(0.0, 1.0, 0.0);
glNormal3fv(normals[2].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[2].vectors);
glVertex3fv(vertices[2].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[3].vectors);
glColor3f(0.0, 0.0, 1.0);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[3].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[4].vectors);
glColor3f(1.0, 1.0, 0.0);
glNormal3fv(normals[4].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[4].vectors);
glVertex3fv(vertices[4].vectors);
glNormal3fv(normals[4].vectors);
glVertex3fv(vertices[5].vectors);
glColor3f(1.0, 0.0, 1.0);
glNormal3fv(normals[5].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[5].vectors);
glVertex3fv(vertices[5].vectors);
glNormal3fv(normals[5].vectors);
glVertex3fv(vertices[6].vectors);
glColor3f(0.0, 1.0, 1.0);
glNormal3fv(normals[6].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[6].vectors);
glVertex3fv(vertices[6].vectors);
glNormal3fv(normals[6].vectors);
glVertex3fv(vertices[7].vectors);
glColor3f(1.0, 1.0, 1.0);
glNormal3fv(normals[7].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[7].vectors);
glVertex3fv(vertices[7].vectors);
glNormal3fv(normals[7].vectors);
glVertex3fv(vertices[8].vectors);
glColor3f(1.0, 0.5, 0.0);
glNormal3fv(normals[8].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[8].vectors);
glVertex3fv(vertices[8].vectors);
glNormal3fv(normals[8].vectors);
glVertex3fv(vertices[9].vectors);
glColor3f(0.5, 1.0, 0.0);
glNormal3fv(normals[9].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[9].vectors);
glVertex3fv(vertices[9].vectors);
glNormal3fv(normals[9].vectors);
glVertex3fv(vertices[10].vectors);
glColor3f(0.5, 1.0, 1.0);
glNormal3fv(normals[10].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[10].vectors);
glVertex3fv(vertices[10].vectors);
glNormal3fv(normals[10].vectors);
glVertex3fv(vertices[1].vectors);
glEnd();
}
void DrawOutsidePhyramid()
{
CVector vertices[11] = {
{ 0.0f, 0.0f, 10.0f }, // Góra figóry
{ 0.0f, 2.0f, 0.0f }, // 1
{ 1.5f, 1.5f, 0.0f }, // 10 2
{ 2.0f, 0.0f, 0.0f }, // 9 0 3
{ 1.7f, -1.2f, 0.0f }, // 8 4
{ 1.0f, -1.5f, 0.0f }, // 7 5
{ 0.0f, -2.0f, 0.0f }, // 6
{ -1.0f, -1.5f, 0.0f }, //
{ -1.7f, -1.2f, 0.0f }, //
{ -2.0f, 0.0f, 0.0f }, //
{ -1.5f, 1.5f, 0.0f }, //
};
CVector normals[11] = {
{ 0.0f, -1.0f, 0.0f },
GetNormalFromPoints(vertices[2], vertices[0], vertices[1]),
GetNormalFromPoints(vertices[3], vertices[0], vertices[2]),
GetNormalFromPoints(vertices[4], vertices[0], vertices[3]),
GetNormalFromPoints(vertices[5], vertices[0], vertices[4]),
GetNormalFromPoints(vertices[6], vertices[0], vertices[5]),
GetNormalFromPoints(vertices[7], vertices[0], vertices[6]),
GetNormalFromPoints(vertices[8], vertices[0], vertices[7]),
GetNormalFromPoints(vertices[9], vertices[0], vertices[8]),
GetNormalFromPoints(vertices[10], vertices[0], vertices[9]),
GetNormalFromPoints(vertices[1], vertices[0], vertices[10])
};
glBegin(GL_TRIANGLES);
glNormal3fv(normals[1].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[1].vectors);
glVertex3fv(vertices[1].vectors);
glNormal3fv(normals[1].vectors);
glVertex3fv(vertices[2].vectors);
glNormal3fv(normals[2].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[2].vectors);
glVertex3fv(vertices[2].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[3].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[3].vectors);
glNormal3fv(normals[3].vectors);
glVertex3fv(vertices[4].vectors);
glNormal3fv(normals[4].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[4].vectors);
glVertex3fv(vertices[4].vectors);
glNormal3fv(normals[4].vectors);
glVertex3fv(vertices[5].vectors);
glNormal3fv(normals[5].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[5].vectors);
glVertex3fv(vertices[5].vectors);
glNormal3fv(normals[5].vectors);
glVertex3fv(vertices[6].vectors);
glNormal3fv(normals[6].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[6].vectors);
glVertex3fv(vertices[6].vectors);
glNormal3fv(normals[6].vectors);
glVertex3fv(vertices[7].vectors);
glNormal3fv(normals[7].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[7].vectors);
glVertex3fv(vertices[7].vectors);
glNormal3fv(normals[7].vectors);
glVertex3fv(vertices[8].vectors);
glNormal3fv(normals[8].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[8].vectors);
glVertex3fv(vertices[8].vectors);
glNormal3fv(normals[8].vectors);
glVertex3fv(vertices[9].vectors);
glNormal3fv(normals[9].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[9].vectors);
glVertex3fv(vertices[9].vectors);
glNormal3fv(normals[9].vectors);
glVertex3fv(vertices[10].vectors);
glNormal3fv(normals[10].vectors);
glVertex3fv(vertices[0].vectors);
glNormal3fv(normals[10].vectors);
glVertex3fv(vertices[10].vectors);
glNormal3fv(normals[10].vectors);
glVertex3fv(vertices[1].vectors);
glEnd();
glBegin(GL_POLYGON);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[1].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[2].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[3].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[4].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[5].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[6].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[7].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[8].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[9].vectors);
glNormal3fv(normals[0].vectors);
glVertex3fv(vertices[10].vectors);
glEnd();
}