public static void MakeCapsule(CRenderContext rc, CGfxMeshPrimitives result, float radius, float halfHeight,
EBoxFace faceFlags = EBoxFace.All)
{
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 0;
//result.AABB = new BoundingBox(x, y, z, x + xSize, y + ySize, z + zSize);
}
public static void MakeBox(CRenderContext rc, CGfxMeshDataProvider result, float x, float y, float z, float xSize, float ySize, float zSize,
EBoxFace faceFlags = EBoxFace.All)
{
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 0;
unsafe
{
UInt32 streams = (1 << (int)EVertexSteamType.VST_Position) |
(1 << (int)EVertexSteamType.VST_Normal) |
(1 << (int)EVertexSteamType.VST_UV);
result.Init(streams, EIndexBufferType.IBT_Int16, 1);
// 顶点
//var vbDesc = new CVertexBufferDesc();
var vbPos = new Vector3[8];
vbPos[0].SetValue(x, y, z);
vbPos[1].SetValue(x, y + ySize, z);
vbPos[2].SetValue(x + xSize, y + ySize, z);
vbPos[3].SetValue(x + xSize, y, z);
vbPos[4].SetValue(x, y, z + zSize);
vbPos[5].SetValue(x, y + ySize, z + zSize);
vbPos[6].SetValue(x + xSize, y + ySize, z + zSize);
vbPos[7].SetValue(x + xSize, y, z + zSize);
var pPos = new Vector3[24];
// front side
pPos[0] = vbPos[0]; pPos[1] = vbPos[1]; pPos[2] = vbPos[2]; pPos[3] = vbPos[3];
// back side
pPos[4] = vbPos[4]; pPos[5] = vbPos[5]; pPos[6] = vbPos[6]; pPos[7] = vbPos[7];
// left side
pPos[8] = vbPos[4]; pPos[9] = vbPos[5]; pPos[10] = vbPos[1]; pPos[11] = vbPos[0];
// right side
pPos[12] = vbPos[3]; pPos[13] = vbPos[2]; pPos[14] = vbPos[6]; pPos[15] = vbPos[7];
// top side
pPos[16] = vbPos[1]; pPos[17] = vbPos[5]; pPos[18] = vbPos[6]; pPos[19] = vbPos[2];
// bottom side
pPos[20] = vbPos[4]; pPos[21] = vbPos[0]; pPos[22] = vbPos[3]; pPos[23] = vbPos[7];
UInt32 curIndex = 0;
// 索引
UInt16[] pIndex = new UInt16[36];
if ((faceFlags & EBoxFace.Front) != 0)
{// front side
pIndex[curIndex++] = 0; pIndex[curIndex++] = 1; pIndex[curIndex++] = 2;
pIndex[curIndex++] = 0; pIndex[curIndex++] = 2; pIndex[curIndex++] = 3;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Back) != 0)
{
// back side
pIndex[curIndex++] = 4; pIndex[curIndex++] = 6; pIndex[curIndex++] = 5;
pIndex[curIndex++] = 4; pIndex[curIndex++] = 7; pIndex[curIndex++] = 6;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Left) != 0)
{
// left side
pIndex[curIndex++] = 8; pIndex[curIndex++] = 9; pIndex[curIndex++] = 10;
pIndex[curIndex++] = 8; pIndex[curIndex++] = 10; pIndex[curIndex++] = 11;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Right) != 0)
{
// right side
pIndex[curIndex++] = 12; pIndex[curIndex++] = 13; pIndex[curIndex++] = 14;
pIndex[curIndex++] = 12; pIndex[curIndex++] = 14; pIndex[curIndex++] = 15;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Top) != 0)
{
// top side
pIndex[curIndex++] = 16; pIndex[curIndex++] = 17; pIndex[curIndex++] = 18;
pIndex[curIndex++] = 16; pIndex[curIndex++] = 18; pIndex[curIndex++] = 19;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Bottom) != 0)
{
// bottom side
pIndex[curIndex++] = 20; pIndex[curIndex++] = 21; pIndex[curIndex++] = 22;
pIndex[curIndex++] = 20; pIndex[curIndex++] = 22; pIndex[curIndex++] = 23;
dpDesc.NumPrimitives += 2;
}
// UV
var vLB = new Vector2(0, 1);
var vLT = new Vector2(0, 0);
var vRT = new Vector2(1, 0);
var vRB = new Vector2(1, 1);
var vUV = new Vector2[24];
vUV[0] = vLB; vUV[1] = vLT; vUV[2] = vRT; vUV[3] = vRB;
vUV[4] = vRB; vUV[5] = vRT; vUV[6] = vLT; vUV[7] = vLB;
vUV[8] = vLB; vUV[9] = vLT; vUV[10] = vRT; vUV[11] = vRB;
vUV[12] = vLB; vUV[13] = vLT; vUV[14] = vRT; vUV[15] = vRB;
vUV[16] = vLB; vUV[17] = vLT; vUV[18] = vRT; vUV[19] = vRB;
vUV[20] = vLB; vUV[21] = vLT; vUV[22] = vRT; vUV[23] = vRB;
// 法线
var vFront = new Vector3(0, 0, -1);
var vBack = new Vector3(0, 0, 1);
var vLeft = new Vector3(-1, 0, 0);
var vRight = new Vector3(1, 0, 0);
var vTop = new Vector3(0, 1, 0);
var vBottom = new Vector3(0, -1, 0);
var vNor = new Vector3[24];
vNor[0] = vFront; vNor[1] = vFront; vNor[2] = vFront; vNor[3] = vFront;
vNor[4] = vBack; vNor[5] = vBack; vNor[6] = vBack; vNor[7] = vBack;
vNor[8] = vLeft; vNor[9] = vLeft; vNor[10] = vLeft; vNor[11] = vLeft;
vNor[12] = vRight; vNor[13] = vRight; vNor[14] = vRight; vNor[15] = vRight;
vNor[16] = vTop; vNor[17] = vTop; vNor[18] = vTop; vNor[19] = vTop;
vNor[20] = vBottom; vNor[21] = vBottom; vNor[22] = vBottom; vNor[23] = vBottom;
for (int i = 0; i < 24; i++)
{
//result.AddVertex(ref pPos[i], ref vNor[i], ref vUV[i], 0);
}
for (int i = 0; i < dpDesc.NumPrimitives * 2; i++)
{
//result.AddTriangle(pIndex[i * 3 + 0], pIndex[i * 3 + 1], pIndex[i * 3 + 2]);
}
}
result.PushAtomLOD(0, ref dpDesc);
}
public static void MakeBox(CRenderContext rc, CGfxMeshPrimitives result, float x, float y, float z, float xSize, float ySize, float zSize,
EBoxFace faceFlags = EBoxFace.All)
{
var dpDesc = new CDrawPrimitiveDesc();
dpDesc.SetDefault();
dpDesc.NumPrimitives = 0;
result.AABB = new BoundingBox(x, y, z, x + xSize, y + ySize, z + zSize);
unsafe
{
UInt32 resourceSize = 0;
var mesh = result.GeometryMesh;
// 顶点
var vbDesc = new CVertexBufferDesc();
var vbPos = new Vector3[8];
vbPos[0].SetValue(x, y, z);
vbPos[1].SetValue(x, y + ySize, z);
vbPos[2].SetValue(x + xSize, y + ySize, z);
vbPos[3].SetValue(x + xSize, y, z);
vbPos[4].SetValue(x, y, z + zSize);
vbPos[5].SetValue(x, y + ySize, z + zSize);
vbPos[6].SetValue(x + xSize, y + ySize, z + zSize);
vbPos[7].SetValue(x + xSize, y, z + zSize);
var pPos = new Vector3[24];
// front side
pPos[0] = vbPos[0]; pPos[1] = vbPos[1]; pPos[2] = vbPos[2]; pPos[3] = vbPos[3];
// back side
pPos[4] = vbPos[4]; pPos[5] = vbPos[5]; pPos[6] = vbPos[6]; pPos[7] = vbPos[7];
// left side
pPos[8] = vbPos[4]; pPos[9] = vbPos[5]; pPos[10] = vbPos[1]; pPos[11] = vbPos[0];
// right side
pPos[12] = vbPos[3]; pPos[13] = vbPos[2]; pPos[14] = vbPos[6]; pPos[15] = vbPos[7];
// top side
pPos[16] = vbPos[1]; pPos[17] = vbPos[5]; pPos[18] = vbPos[6]; pPos[19] = vbPos[2];
// bottom side
pPos[20] = vbPos[4]; pPos[21] = vbPos[0]; pPos[22] = vbPos[3]; pPos[23] = vbPos[7];
fixed(Vector3 *pv3 = &pPos[0])
{
vbDesc.InitData = (IntPtr)pv3;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 24;
resourceSize += vbDesc.ByteWidth;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Position, vb);
}
UInt32 curIndex = 0;
// 索引
UInt16[] pIndex = new UInt16[36];
if ((faceFlags & EBoxFace.Front) != 0)
{// front side
pIndex[curIndex++] = 0; pIndex[curIndex++] = 1; pIndex[curIndex++] = 2;
pIndex[curIndex++] = 0; pIndex[curIndex++] = 2; pIndex[curIndex++] = 3;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Back) != 0)
{
// back side
pIndex[curIndex++] = 4; pIndex[curIndex++] = 6; pIndex[curIndex++] = 5;
pIndex[curIndex++] = 4; pIndex[curIndex++] = 7; pIndex[curIndex++] = 6;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Left) != 0)
{
// left side
pIndex[curIndex++] = 8; pIndex[curIndex++] = 9; pIndex[curIndex++] = 10;
pIndex[curIndex++] = 8; pIndex[curIndex++] = 10; pIndex[curIndex++] = 11;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Right) != 0)
{
// right side
pIndex[curIndex++] = 12; pIndex[curIndex++] = 13; pIndex[curIndex++] = 14;
pIndex[curIndex++] = 12; pIndex[curIndex++] = 14; pIndex[curIndex++] = 15;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Top) != 0)
{
// top side
pIndex[curIndex++] = 16; pIndex[curIndex++] = 17; pIndex[curIndex++] = 18;
pIndex[curIndex++] = 16; pIndex[curIndex++] = 18; pIndex[curIndex++] = 19;
dpDesc.NumPrimitives += 2;
}
if ((faceFlags & EBoxFace.Bottom) != 0)
{
// bottom side
pIndex[curIndex++] = 20; pIndex[curIndex++] = 21; pIndex[curIndex++] = 22;
pIndex[curIndex++] = 20; pIndex[curIndex++] = 22; pIndex[curIndex++] = 23;
dpDesc.NumPrimitives += 2;
}
fixed(UInt16 *pV = &pIndex[0])
{
var ibDesc = new CIndexBufferDesc();
ibDesc.InitData = (IntPtr)pV;
ibDesc.ByteWidth = (UInt32)sizeof(UInt16) * curIndex;
resourceSize += ibDesc.ByteWidth;
var ib = rc.CreateIndexBuffer(ibDesc);
mesh.BindIndexBuffer(ib);
}
// UV
var vLB = new Vector2(0, 1);
var vLT = new Vector2(0, 0);
var vRT = new Vector2(1, 0);
var vRB = new Vector2(1, 1);
var vUV = new Vector2[24];
vUV[0] = vLB; vUV[1] = vLT; vUV[2] = vRT; vUV[3] = vRB;
vUV[4] = vRB; vUV[5] = vRT; vUV[6] = vLT; vUV[7] = vLB;
vUV[8] = vLB; vUV[9] = vLT; vUV[10] = vRT; vUV[11] = vRB;
vUV[12] = vLB; vUV[13] = vLT; vUV[14] = vRT; vUV[15] = vRB;
vUV[16] = vLB; vUV[17] = vLT; vUV[18] = vRT; vUV[19] = vRB;
vUV[20] = vLB; vUV[21] = vLT; vUV[22] = vRT; vUV[23] = vRB;
fixed(Vector2 *pUV = &vUV[0])
{
vbDesc.InitData = (IntPtr)pUV;
vbDesc.Stride = (UInt32)sizeof(Vector2);
vbDesc.ByteWidth = (UInt32)sizeof(Vector2) * 24;
resourceSize += vbDesc.ByteWidth;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_UV, vb);
}
// 法线
var vFront = new Vector3(0, 0, -1);
var vBack = new Vector3(0, 0, 1);
var vLeft = new Vector3(-1, 0, 0);
var vRight = new Vector3(1, 0, 0);
var vTop = new Vector3(0, 1, 0);
var vBottom = new Vector3(0, -1, 0);
var vNor = new Vector3[24];
vNor[0] = vFront; vNor[1] = vFront; vNor[2] = vFront; vNor[3] = vFront;
vNor[4] = vBack; vNor[5] = vBack; vNor[6] = vBack; vNor[7] = vBack;
vNor[8] = vLeft; vNor[9] = vLeft; vNor[10] = vLeft; vNor[11] = vLeft;
vNor[12] = vRight; vNor[13] = vRight; vNor[14] = vRight; vNor[15] = vRight;
vNor[16] = vTop; vNor[17] = vTop; vNor[18] = vTop; vNor[19] = vTop;
vNor[20] = vBottom; vNor[21] = vBottom; vNor[22] = vBottom; vNor[23] = vBottom;
fixed(Vector3 *pNor = &vNor[0])
{
vbDesc.InitData = (IntPtr)pNor;
vbDesc.Stride = (UInt32)sizeof(Vector3);
vbDesc.ByteWidth = (UInt32)sizeof(Vector3) * 24;
resourceSize += vbDesc.ByteWidth;
var vb = rc.CreateVertexBuffer(vbDesc);
mesh.BindVertexBuffer(EVertexSteamType.VST_Normal, vb);
}
mesh.Dirty = true;
result.ResourceState.ResourceSize = resourceSize;
}
result.PushAtomLOD(0, ref dpDesc);
result.ResourceState.StreamState = EStreamingState.SS_Valid;
result.ResourceState.KeepValid = true;
}
