public override void Update(float time)
{
float angle = (float) Math.PI * time; // 180 degrees
var mz = (float) Math.Sin(angle);
angle = angle / 2.0f; // x calculates degrees from 0 to 90
var mx = (float) Math.Cos(angle);
CCVertex3F v0, v1, v;
var diff = new CCVertex3F();
v0 = OriginalVertex(new CCGridSize(1, 1));
v1 = OriginalVertex(new CCGridSize(0, 0));
float x0 = v0.X;
float x1 = v1.X;
float x;
CCGridSize a, b, c, d;
if (x0 > x1)
{
// Normal Grid
a = new CCGridSize(0, 0);
b = new CCGridSize(0, 1);
c = new CCGridSize(1, 0);
d = new CCGridSize(1, 1);
x = x0;
}
else
{
// Reversed Grid
c = new CCGridSize(0, 0);
d = new CCGridSize(0, 1);
a = new CCGridSize(1, 0);
b = new CCGridSize(1, 1);
x = x1;
}
diff.X = (x - x * mx);
diff.Z = Math.Abs((float) Math.Floor((x * mz) / 4.0f));
// bottom-left
v = OriginalVertex(a);
v.X = diff.X;
v.Z += diff.Z;
SetVertex(a, ref v);
// upper-left
v = OriginalVertex(b);
v.X = diff.X;
v.Z += diff.Z;
SetVertex(b, ref v);
// bottom-right
v = OriginalVertex(c);
v.X -= diff.X;
v.Z -= diff.Z;
SetVertex(c, ref v);
// upper-right
v = OriginalVertex(d);
v.X -= diff.X;
v.Z -= diff.Z;
SetVertex(d, ref v);
}
public static CCVertex3F Vertex3(float x, float y, float z)
{
CCVertex3F c = new CCVertex3F(x, y, z);
return c;
}
public override void Update(float time)
{
float angle = (float) Math.PI * time; // 180 degrees
var mz = (float) Math.Sin(angle);
angle = angle / 2.0f; // x calculates degrees from 0 to 90
var my = (float) Math.Cos(angle);
CCVertex3F v0, v1, v;
var diff = new CCVertex3F();
v0 = OriginalVertex(new CCGridSize(1, 1));
v1 = OriginalVertex(new CCGridSize(0, 0));
float y0 = v0.Y;
float y1 = v1.Y;
float y;
CCGridSize a, b, c, d;
if (y0 > y1)
{
// Normal Grid
a = new CCGridSize(0, 0);
b = new CCGridSize(0, 1);
c = new CCGridSize(1, 0);
d = new CCGridSize(1, 1);
y = y0;
}
else
{
// Reversed Grid
b = new CCGridSize(0, 0);
a = new CCGridSize(0, 1);
d = new CCGridSize(1, 0);
c = new CCGridSize(1, 1);
y = y1;
}
diff.Y = y - y * my;
diff.Z = Math.Abs((float) Math.Floor((y * mz) / 4.0f));
// bottom-left
v = OriginalVertex(a);
v.Y = diff.Y;
v.Z += diff.Z;
SetVertex(a, ref v);
// upper-left
v = OriginalVertex(b);
v.Y -= diff.Y;
v.Z -= diff.Z;
SetVertex(b, ref v);
// bottom-right
v = OriginalVertex(c);
v.Y = diff.Y;
v.Z += diff.Z;
SetVertex(c, ref v);
// upper-right
v = OriginalVertex(d);
v.Y -= diff.Y;
v.Z -= diff.Z;
SetVertex(d, ref v);
}
public static CCVertex3F Vertex3(float x, float y, float z)
{
CCVertex3F c = new CCVertex3F(x, y, z);
return(c);
}
protected CCVertex3F VertexFromAlphaPoint(CCPoint alpha)
{
var ret = new CCVertex3F(0.0f, 0.0f, 0.0f);
if (m_pSprite == null)
{
return ret;
}
CCV3F_C4B_T2F_Quad quad = m_pSprite.Quad;
var min = new CCPoint(quad.BottomLeft.Vertices.X, quad.BottomLeft.Vertices.Y);
var max = new CCPoint(quad.TopRight.Vertices.X, quad.TopRight.Vertices.Y);
ret.X = min.X * (1f - alpha.X) + max.X * alpha.X;
ret.Y = min.Y * (1f - alpha.Y) + max.Y * alpha.Y;
return ret;
}
/// <summary>
/// sets a new vertex at a given position
/// </summary>
public void SetVertex(CCGridSize pos, ref CCVertex3F vertex)
{
m_pVertices[pos.X * (m_sGridSize.Y + 1) + pos.Y].vertices = vertex;
m_bDirty = true;
}
public override void CalculateVertexPoints()
{
float width = m_pTexture.PixelsWide;
float height = m_pTexture.PixelsHigh;
float imageH = m_pTexture.ContentSizeInPixels.Height;
int numOfPoints = (m_sGridSize.X + 1) * (m_sGridSize.Y + 1);
m_pVertices = new ccV3F_T2F[numOfPoints];
m_pOriginalVertices = new CCVertex3F[numOfPoints];
//m_pTexCoordinates = new CCPoint[numOfPoints];
m_pIndices = new ushort[m_sGridSize.X * m_sGridSize.Y * 6];
ccV3F_T2F[] vertArray = m_pVertices;
//var texArray = m_pTexCoordinates;
ushort[] idxArray = m_pIndices;
var l1 = new int[4];
var l2 = new CCVertex3F[4];
var tex1 = new int[4];
var tex2 = new CCPoint[4];
//int idx = -1;
for (int x = 0; x < m_sGridSize.X; ++x)
{
for (int y = 0; y < m_sGridSize.Y; ++y)
{
float x1 = x * m_obStep.X;
float x2 = x1 + m_obStep.X;
float y1 = y * m_obStep.Y;
float y2 = y1 + m_obStep.Y;
var a = (short) (x * (m_sGridSize.Y + 1) + y);
var b = (short) ((x + 1) * (m_sGridSize.Y + 1) + y);
var c = (short) ((x + 1) * (m_sGridSize.Y + 1) + (y + 1));
var d = (short) (x * (m_sGridSize.Y + 1) + (y + 1));
int idx = ((y * m_sGridSize.X) + x) * 6;
idxArray[idx + 0] = (ushort) a;
idxArray[idx + 1] = (ushort) b;
idxArray[idx + 2] = (ushort) d;
idxArray[idx + 3] = (ushort) b;
idxArray[idx + 4] = (ushort) c;
idxArray[idx + 5] = (ushort) d;
//var tempidx = new short[6] {a, d, b, b, d, c};
//Array.Copy(tempidx, 0, idxArray, 6 * idx, tempidx.Length);
l1[0] = a;
l1[1] = b;
l1[2] = c;
l1[3] = d;
//var e = new Vector3(x1, y1, 0);
//var f = new Vector3(x2, y1, 0);
//var g = new Vector3(x2, y2, 0);
//var h = new Vector3(x1, y2, 0);
l2[0] = new CCVertex3F(x1, y1, 0);
l2[1] = new CCVertex3F(x2, y1, 0);
l2[2] = new CCVertex3F(x2, y2, 0);
l2[3] = new CCVertex3F(x1, y2, 0);
tex1[0] = a;
tex1[1] = b;
tex1[2] = c;
tex1[3] = d;
tex2[0] = new CCPoint(x1, y1);
tex2[1] = new CCPoint(x2, y1);
tex2[2] = new CCPoint(x2, y2);
tex2[3] = new CCPoint(x1, y2);
for (int i = 0; i < 4; ++i)
{
vertArray[l1[i]].vertices = l2[i];
vertArray[tex1[i]].texCoords.U = tex2[i].X / width;
if (m_bIsTextureFlipped)
{
vertArray[tex1[i]].texCoords.V = tex2[i].Y / height;
}
else
{
vertArray[tex1[i]].texCoords.V = (imageH - tex2[i].Y) / height;
}
}
}
}
int n = (m_sGridSize.X + 1) * (m_sGridSize.Y + 1);
for (int i = 0; i < n; i++)
{
m_pOriginalVertices[i] = m_pVertices[i].vertices;
}
m_bDirty = true;
}
public void SetVertex(CCGridSize pos, ref CCVertex3F vertex)
{
m_pGrid.SetVertex(pos, ref vertex);
}