private void CreateLine(ManualObject mo, Vector3 origin, Vector3 final, int useMaterial, Vector4 color)
{
float lineWidth = 0.1f;
RenderOperation.OperationTypes operation = RenderOperation.OperationTypes.OT_TRIANGLE_FAN;
switch (useMaterial)
{
case 1:
mo.Begin("SharpMap/Line3D_v1", operation);
break;
default:
MaterialPtr material = MaterialManager.Singleton.CreateOrRetrieve("Test/ColourLines3d",
ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME).first;
material.GetTechnique(0).GetPass(0).VertexColourTracking =
(int)TrackVertexColourEnum.TVC_AMBIENT;
mo.Begin("Test/ColourLines3d", operation);
break;
}
Vector3 delta = final - origin;
delta = new Vector3(-delta.y, delta.x, delta.z).NormalisedCopy *lineWidth;
mo.Position(origin);
mo.Position(final);
mo.Position(final + delta);
mo.Position(origin + delta);
//lines3d.TextureCoord((float)i / (float)pointsList.Count);
ManualObject.ManualObjectSection section = lines3d.End();
section.SetCustomParameter(constantColor, color);
}
static ManualObject.ManualObjectSection BuildTerrainBlock(ManualObject obj, ushort pointsX, ushort pointsY,
Vector4 translationScale, Vector4 color)
{
RenderOperation.OperationTypes operation = RenderOperation.OperationTypes.OT_TRIANGLE_STRIP;
obj.Begin("Terrain/Terrain_Material", operation);
/*
* This function uses one big zigzag triangle strip for the whole grid.
* And insert degenerated (invisible) triangles to join 2 rows. For instance:
* 0 1 2 3
* 4 5 6 7
* 8 9 10 11
* 12 13 14 15
*
* The index buffer would look like :
* 0, 4, 1, 5, 2, 6, 3, 7, 7, 7, 11, 6, 10, 5, 9, 4, 8, 8, 8, 12, 9, 13, 10, 14, 11, 15
*/
for (int y = pointsY - 1; y >= 0; y--)
{
for (int x = 0; x <= pointsX - 1; x++)
{
obj.Position(x, y, 0.0f);
obj.TextureCoord((float)x / (float)(pointsX), (float)y / (float)(pointsY));
}
}
//Console.Write("\n Index:");
// We have pointsX -1 lines
for (ushort y = 0; y < pointsY - 1; y++)
{
if (y % 2 == 0)
{
for (int x = 0; x < pointsX; x++)
{
obj.Index((ushort)(y * pointsX + x)); //(x, y + 1, 0.0f);
//Console.Write("," + (y * pointsX + x));
obj.Index((ushort)(y * pointsX + x + pointsX)); //(x, y, 0.0f);
//Console.Write("," + (y * pointsX + x + pointsX));
}
if (y != pointsY - 2)
{
obj.Index((ushort)(y * pointsX + pointsX - 1)); //(0, y+1, 0.0f);
//Console.Write("," + (y * pointsX + 2 * pointsX - 1));
}
}
else
{
for (int x = pointsX - 1; x >= 0; x--)
{
obj.Index((ushort)(y * pointsX + x)); //(x, y + 1, 0.0f);
//Console.Write(", " + (y * pointsX + x));
obj.Index((ushort)(y * pointsX + x + pointsX)); //(x, y, 0.0f);
//Console.Write(", " + (y * pointsX + x + pointsX));
}
if (y != pointsY - 2)
{
obj.Index((ushort)(y * pointsX + pointsX)); //(0, y+1, 0.0f);
//Console.Write(", " + (y * pointsX + pointsX));
}
}
}
//Console.WriteLine(";");
ManualObject.ManualObjectSection manualObjSec1 = obj.End();
obj.BoundingBox = new AxisAlignedBox(translationScale.x,
translationScale.y, -1,
(pointsX * translationScale.z + translationScale.x),
(pointsY * translationScale.w + translationScale.y), 1);
manualObjSec1.SetCustomParameter(TransXYscaleXY, translationScale);
manualObjSec1.SetCustomParameter(ColorAndHeightScale, color);
return(manualObjSec1);
}