void FlatLand::setupVertexAndTriangleData()
{
//
// Create the vertices (a "heightfield" of triangles)
//
{
const float borderHeight = getBorderHeight();
{
for(int i = 0; i < m_side; i++)
{
for (int j = 0; j < m_side; j++ )
{
float h = getHeight( i, j );
m_vertices[(i * m_side + j) * 4 + 0] = i * 1.0f - m_side * 0.5f;
m_vertices[(i * m_side + j) * 4 + 1] = h;
m_vertices[(i * m_side + j) * 4 + 2] = j * 1.0f - m_side * 0.5f;
m_vertices[(i * m_side + j) * 4 + 3] = 0.0f; // we need to set this to avoid denormals on P4
}
}
}
//
// Add a border
//
{
for(int i = 0; i < m_side; i++)
{
m_vertices[ ( i * m_side + 0 ) * 4 + 1] = borderHeight;
m_vertices[ ( i * m_side + m_side-1) * 4 + 1] = borderHeight;
m_vertices[ ( (m_side-1) * m_side + i ) * 4 + 1] = borderHeight;
m_vertices[ (i ) * 4 + 1] = borderHeight;
}
}
}
//
// Create the triangles
//
{
hkUint16 corner = 0;
int index = 0;
for(int i = 0; i < m_side - 1; i++)
{
for (int j = 0; j < m_side - 1; j++ )
{
m_indices[index] = hkUint16(corner);
m_indices[index + 1] = hkUint16(corner + 1);
m_indices[index + 2] = hkUint16(corner + m_side);
// m_indices[index + 3] Dummy
m_indices[index + 4] = hkUint16(corner + 1);
m_indices[index + 5] = hkUint16(corner + m_side + 1);
m_indices[index + 6] = hkUint16(corner + m_side);
// m_indices[index + 7] Dummy
index += 8;
corner++;
}
corner++;
}
}
}
void TowerLand::setupVertexAndTriangleData()
{
//
// Create the vertices (a "heightfield" of triangles)
//
{
const float borderHeight = getBorderHeight();
{
for(int i = 0; i < m_side; i++)
{
for (int j = 0; j < m_side; j++ )
{
float h = getHeight( i, j );
m_vertices[ (i * m_side + j) * 4 + 0 ] = ((i - m_side * 0.5f) / m_side) * m_size;
m_vertices[ (i * m_side + j) * 4 + 1 ] = h;
m_vertices[ (i * m_side + j) * 4 + 2 ] = ((j - m_side * 0.5f) / m_side) * m_size - ( (i%2) * m_shift);
m_vertices[ (i * m_side + j) * 4 + 3 ] = 0.0f; // we need to set this to avoid denormals on P4
}
}
}
//
// Add a border
//
{
for(int i = 0; i < m_side; i++)
{
m_vertices[ (i * m_side + 0 ) * 4 + 1] = borderHeight;
m_vertices[ (i * m_side + m_side-1) * 4 + 1] = borderHeight;
m_vertices[ ( (m_side-1) * (m_side-1) + i ) * 4 + 1] = borderHeight;
m_vertices[ (i ) * 4 + 1] = borderHeight;
}
}
}
//
// Create the triangles
//
{
hkUint16 corner = 0;
int index = 0;
for(int i = 0; i < m_side - 1; i++)
{
for (int j = 0; j < m_side - 1; j++ )
{
m_indices[index] = hkUint16(corner);
m_indices[index + 1] = hkUint16(corner + 1);
m_indices[index + 2] = hkUint16(corner + m_side);
m_indices[index + 3] = 0; // padding needed for spus
m_indices[index + 4] = hkUint16(corner + 1);
m_indices[index + 5] = hkUint16(corner + m_side + 1);
m_indices[index + 6] = hkUint16(corner + m_side);
m_indices[index + 7] = 0; // padding needed for spus
index += 8;
corner++;
}
corner++;
}
}
}
