public CCOrbitCameraState(CCOrbitCamera action, CCNode target)
: base(action, target)
{
AngleX = action.AngleX;
AngleZ = action.AngleZ;
DeltaAngleX = action.DeltaAngleX;
DeltaAngleZ = action.DeltaAngleZ;
DeltaRadius = action.DeltaRadius;
Radius = action.Radius;
// We are assuming the local camera will be centered directly at the target
// => Add radius to the z position of local camera
CCPoint3 fauxLocalCameraCenter = target.FauxLocalCameraCenter;
fauxLocalCameraCenter.Z += Radius;
target.FauxLocalCameraCenter = fauxLocalCameraCenter;
//CameraCenter = fauxLocalCameraCenter;
RadDeltaZ = CCMacros.CCDegreesToRadians(DeltaAngleZ);
RadDeltaX = CCMacros.CCDegreesToRadians(DeltaAngleX);
// Only calculate the SpericalRadius when needed.
if (float.IsNaN(Radius) || float.IsNaN(AngleZ) || float.IsNaN(AngleX))
{
float r, zenith, azimuth;
SphericalRadius(out r, out zenith, out azimuth);
if (float.IsNaN(Radius))
{
Radius = r;
}
if (float.IsNaN(AngleZ))
{
AngleZ = CCMacros.CCRadiansToDegrees(zenith);
}
if (float.IsNaN(AngleX))
{
AngleX = CCMacros.CCRadiansToDegrees(azimuth);
}
}
RadZ = CCMacros.CCDegreesToRadians(AngleZ);
RadX = CCMacros.CCDegreesToRadians(AngleX);
}
protected void UpdateSliderPosition(CCPoint location)
{
// Clamp the position of the icon within the circle
CCRect BackgroundBox = Background.BoundingBox;
float centerX = StartPos.X + BackgroundBox.Size.Width * 0.5f;
float centerY = StartPos.Y + BackgroundBox.Size.Height * 0.5f;
float dx = location.X - centerX;
float dy = location.Y - centerY;
// Update angle by using the direction of the location
var angle = (float)Math.Atan2(dy, dx);
float angleDeg = CCMacros.CCRadiansToDegrees(angle) + 180.0f;
// use the position / Slider width to determin the percentage the dragger is at
Hue = angleDeg;
OnValueChanged();
}
void UpdateSpriteTextureQuads()
{
if (!Visible)
{
quad.BottomRight.Vertices =
quad.TopLeft.Vertices = quad.TopRight.Vertices = quad.BottomLeft.Vertices = new CCVertex3F(0, 0, 0);
}
else
{
CCPoint relativeOffset = unflippedOffsetPositionFromCenter;
if (flipX)
{
relativeOffset.X = -relativeOffset.X;
}
if (flipY)
{
relativeOffset.Y = -relativeOffset.Y;
}
CCPoint centerPoint = UntrimmedSizeInPixels.Center + relativeOffset;
CCPoint subRectOrigin;
subRectOrigin.X = centerPoint.X - textureRectInPixels.Size.Width / 2.0f;
subRectOrigin.Y = centerPoint.Y - textureRectInPixels.Size.Height / 2.0f;
CCRect subRectRatio = CCRect.Zero;
if (UntrimmedSizeInPixels.Width > 0 && UntrimmedSizeInPixels.Height > 0)
{
subRectRatio = new CCRect(
subRectOrigin.X / UntrimmedSizeInPixels.Width,
subRectOrigin.Y / UntrimmedSizeInPixels.Height,
textureRectInPixels.Size.Width / UntrimmedSizeInPixels.Width,
textureRectInPixels.Size.Height / UntrimmedSizeInPixels.Height);
}
// Atlas: Vertex
float x1 = subRectRatio.Origin.X * ContentSize.Width;
float y1 = subRectRatio.Origin.Y * ContentSize.Height;
float x2 = x1 + (subRectRatio.Size.Width * ContentSize.Width);
float y2 = y1 + (subRectRatio.Size.Height * ContentSize.Height);
// Don't set z-value: The node's transform will be set to include z offset
quad.BottomLeft.Vertices = new CCVertex3F(x1, y1, 0);
quad.BottomRight.Vertices = new CCVertex3F(x2, y1, 0);
quad.TopLeft.Vertices = new CCVertex3F(x1, y2, 0);
quad.TopRight.Vertices = new CCVertex3F(x2, y2, 0);
CCTexture2D tex = batchNode != null ? textureAtlas.Texture : texture;
if (tex == null)
{
return;
}
float atlasWidth = tex.PixelsWide;
float atlasHeight = tex.PixelsHigh;
float left, right, top, bottom;
if (IsTextureRectRotated)
{
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
left = (2 * textureRectInPixels.Origin.X + 1) / (2 * atlasWidth);
right = left + (textureRectInPixels.Size.Height * 2 - 2) / (2 * atlasWidth);
top = (2 * textureRectInPixels.Origin.Y + 1) / (2 * atlasHeight);
bottom = top + (textureRectInPixels.Size.Width * 2 - 2) / (2 * atlasHeight);
#else
left = textureRectInPixels.Origin.X / atlasWidth;
right = (textureRectInPixels.Origin.X + textureRectInPixels.Size.Height) / atlasWidth;
top = textureRectInPixels.Origin.Y / atlasHeight;
bottom = (textureRectInPixels.Origin.Y + textureRectInPixels.Size.Width) / atlasHeight;
#endif
if (flipX)
{
CCMacros.CCSwap(ref top, ref bottom);
}
if (flipY)
{
CCMacros.CCSwap(ref left, ref right);
}
quad.BottomLeft.TexCoords.U = left;
quad.BottomLeft.TexCoords.V = top;
quad.BottomRight.TexCoords.U = left;
quad.BottomRight.TexCoords.V = bottom;
quad.TopLeft.TexCoords.U = right;
quad.TopLeft.TexCoords.V = top;
quad.TopRight.TexCoords.U = right;
quad.TopRight.TexCoords.V = bottom;
}
else
{
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
left = (2 * textureRectInPixels.Origin.X + 1) / (2 * atlasWidth);
right = left + (textureRectInPixels.Size.Width * 2 - 2) / (2 * atlasWidth);
top = (2 * textureRectInPixels.Origin.Y + 1) / (2 * atlasHeight);
bottom = top + (textureRectInPixels.Size.Height * 2 - 2) / (2 * atlasHeight);
#else
left = textureRectInPixels.Origin.X / atlasWidth;
right = (textureRectInPixels.Origin.X + textureRectInPixels.Size.Width) / atlasWidth;
top = textureRectInPixels.Origin.Y / atlasHeight;
bottom = (textureRectInPixels.Origin.Y + textureRectInPixels.Size.Height) / atlasHeight;
#endif
if (flipX)
{
CCMacros.CCSwap(ref left, ref right);
}
if (flipY)
{
CCMacros.CCSwap(ref top, ref bottom);
}
quad.BottomLeft.TexCoords.U = left;
quad.BottomLeft.TexCoords.V = bottom;
quad.BottomRight.TexCoords.U = right;
quad.BottomRight.TexCoords.V = bottom;
quad.TopLeft.TexCoords.U = left;
quad.TopLeft.TexCoords.V = top;
quad.TopRight.TexCoords.U = right;
quad.TopRight.TexCoords.V = top;
}
}
UpdateTransformedSpriteTextureQuads();
}
private void UpdatePositionTransform()
{
// Since we are extending SpriteBatchNode we will have to do our own transforms on the sprites.
// Translate values
float x = Position.X;
float y = Position.Y;
var affineLocalTransform = CCAffineTransform.Identity;
if (IgnoreAnchorPointForPosition)
{
x += anchorPointInPoints.X;
y += anchorPointInPoints.Y;
}
// Rotation values
// Change rotation code to handle X and Y
// If we skew with the exact same value for both x and y then we're simply just rotating
float cx = 1, sx = 0, cy = 1, sy = 0;
if (RotationX != 0 || RotationY != 0)
{
float radiansX = -CCMacros.CCDegreesToRadians(RotationX);
float radiansY = -CCMacros.CCDegreesToRadians(RotationY);
cx = (float)Math.Cos(radiansX);
sx = (float)Math.Sin(radiansX);
cy = (float)Math.Cos(radiansY);
sy = (float)Math.Sin(radiansY);
}
bool needsSkewMatrix = (SkewX != 0f || SkewY != 0f);
// optimization:
// inline anchor point calculation if skew is not needed
if (!needsSkewMatrix && !anchorPointInPoints.Equals(CCPoint.Zero))
{
x += cy * -anchorPointInPoints.X * ScaleX + -sx * -anchorPointInPoints.Y * ScaleY;
y += sy * -anchorPointInPoints.X * ScaleX + cx * -anchorPointInPoints.Y * ScaleY;
}
// Build Transform Matrix
// Adjusted transform calculation for rotational skew
affineLocalTransform.A = cy * ScaleX;
affineLocalTransform.B = sy * ScaleX;
affineLocalTransform.C = -sx * ScaleY;
affineLocalTransform.D = cx * ScaleY;
affineLocalTransform.Tx = x;
affineLocalTransform.Ty = y;
// XXX: Try to inline skew
// If skew is needed, apply skew and then anchor point
if (needsSkewMatrix)
{
var skewMatrix = new CCAffineTransform(
1.0f, (float)Math.Tan(CCMacros.CCDegreesToRadians(SkewY)),
(float)Math.Tan(CCMacros.CCDegreesToRadians(SkewX)), 1.0f,
0.0f, 0.0f);
affineLocalTransform = CCAffineTransform.Concat(skewMatrix, affineLocalTransform);
// adjust anchor point
if (!anchorPointInPoints.Equals(CCPoint.Zero))
{
affineLocalTransform = CCAffineTransform.Translate(affineLocalTransform,
-anchorPointInPoints.X,
-anchorPointInPoints.Y);
}
}
if (Children != null && Children.Count != 0)
{
CCNode[] elements = Children.Elements;
for (int i = 0, count = Children.Count; i < count; i++)
{
var sprite = elements[i] as CCSprite;
if (sprite.Visible)
{
var pos = affineLocalTransform.Transform(sprite.Position);
sprite.PositionX = pos.X;
sprite.PositionY = pos.Y;
sprite.ScaleX = ScaleX;
sprite.ScaleY = ScaleY;
sprite.SkewX = SkewX;
sprite.SkewY = SkewY;
}
}
}
}
void UpdateSpriteTextureQuadsCallback(ref CCV3F_C4B_T2F_Quad[] quads)
{
if (!Visible)
{
quads[0].BottomRight.Vertices = quads[0].TopLeft.Vertices
= quads[0].TopRight.Vertices = quads[0].BottomLeft.Vertices = CCVertex3F.Zero;
}
else
{
CCPoint relativeOffset = unflippedOffsetPositionFromCenter;
if (flipX)
{
relativeOffset.X = -relativeOffset.X;
}
if (flipY)
{
relativeOffset.Y = -relativeOffset.Y;
}
CCPoint centerPoint = UntrimmedSizeInPixels.Center + relativeOffset;
CCPoint subRectOrigin;
subRectOrigin.X = centerPoint.X - textureRectInPixels.Size.Width / 2.0f;
subRectOrigin.Y = centerPoint.Y - textureRectInPixels.Size.Height / 2.0f;
CCRect subRectRatio = CCRect.Zero;
if (UntrimmedSizeInPixels.Width > 0 && UntrimmedSizeInPixels.Height > 0)
{
subRectRatio = new CCRect(
subRectOrigin.X / UntrimmedSizeInPixels.Width,
subRectOrigin.Y / UntrimmedSizeInPixels.Height,
textureRectInPixels.Size.Width / UntrimmedSizeInPixels.Width,
textureRectInPixels.Size.Height / UntrimmedSizeInPixels.Height);
}
// Atlas: Vertex
float x1 = subRectRatio.Origin.X * ContentSize.Width;
float y1 = subRectRatio.Origin.Y * ContentSize.Height;
float x2 = x1 + (subRectRatio.Size.Width * ContentSize.Width);
float y2 = y1 + (subRectRatio.Size.Height * ContentSize.Height);
// Don't set z-value: The node's transform will be set to include z offset
quads[0].BottomLeft.Vertices = new CCVertex3F(x1, y1, 0);
quads[0].BottomRight.Vertices = new CCVertex3F(x2, y1, 0);
quads[0].TopLeft.Vertices = new CCVertex3F(x1, y2, 0);
quads[0].TopRight.Vertices = new CCVertex3F(x2, y2, 0);
if (Texture == null)
{
return;
}
float atlasWidth = Texture.PixelsWide;
float atlasHeight = Texture.PixelsHigh;
float left, right, top, bottom;
float offsetW = HalfTexelOffset ? 0.5f / atlasWidth : 0.0f;
float offsetH = HalfTexelOffset ? 0.5f / atlasHeight : 0.0f;
if (IsTextureRectRotated)
{
left = textureRectInPixels.Origin.X / atlasWidth + offsetW;
right = (textureRectInPixels.Origin.X + textureRectInPixels.Size.Height) / atlasWidth - offsetW;
top = textureRectInPixels.Origin.Y / atlasHeight + offsetH;
bottom = (textureRectInPixels.Origin.Y + textureRectInPixels.Size.Width) / atlasHeight - offsetH;
if (flipX)
{
CCMacros.CCSwap(ref top, ref bottom);
}
if (flipY)
{
CCMacros.CCSwap(ref left, ref right);
}
quads[0].BottomLeft.TexCoords.U = left;
quads[0].BottomLeft.TexCoords.V = top;
quads[0].BottomRight.TexCoords.U = left;
quads[0].BottomRight.TexCoords.V = bottom;
quads[0].TopLeft.TexCoords.U = right;
quads[0].TopLeft.TexCoords.V = top;
quads[0].TopRight.TexCoords.U = right;
quads[0].TopRight.TexCoords.V = bottom;
}
else
{
left = textureRectInPixels.Origin.X / atlasWidth + offsetW;
right = (textureRectInPixels.Origin.X + textureRectInPixels.Size.Width) / atlasWidth - offsetW;
top = textureRectInPixels.Origin.Y / atlasHeight + offsetH;
bottom = (textureRectInPixels.Origin.Y + textureRectInPixels.Size.Height) / atlasHeight - offsetH;
if (flipX)
{
CCMacros.CCSwap(ref left, ref right);
}
if (flipY)
{
CCMacros.CCSwap(ref top, ref bottom);
}
quads[0].BottomLeft.TexCoords.U = left;
quads[0].BottomLeft.TexCoords.V = bottom;
quads[0].BottomRight.TexCoords.U = right;
quads[0].BottomRight.TexCoords.V = bottom;
quads[0].TopLeft.TexCoords.U = left;
quads[0].TopLeft.TexCoords.V = top;
quads[0].TopRight.TexCoords.U = right;
quads[0].TopRight.TexCoords.V = top;
}
}
}
