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Created Feature: allow naming of animations for debugging purposes [11342]

dvanderboom — Thu, 31 Dec 2009 14:26:09 GMT

Allow animations to be named. This name should appear in the ToString() representation (along with its duration, etc.) of the animation for debugging purposes.

In C# 3.0, either all animation methods need two overloads (one with and the other without the name parameter), or (less bothersome) the Name property will have to be set outside the animation's factory extension method. If C# 4.0 is used, an optional and/or named parameter would probably be the best choice.

// C# 3.0
var anim = GamePiece.RotateBy(GamePiece.GetCenter(), 45, 0.5.seconds());
anim.Name = "FirstRotation";

// C# 4.0
var anim = GamePiece.RotateBy(GamePiece.GetCenter(), 45, 0.5.seconds(), Name="FirstRotation");

Created Task: create WPF library and WPF samples project [11341]

dvanderboom — Thu, 31 Dec 2009 14:13:54 GMT

Create WPF projects and share code with Silverlight.

Created Issue: enable pause and resume of animations [11340]

dvanderboom — Thu, 31 Dec 2009 14:02:43 GMT

Having a reference to the animation, one should be able to pause, stop, resume, and restart an animation. This should also work with composed (group) animations.

Created Issue: add an animation to rotate to a normalized angle [11339]

dvanderboom — Thu, 31 Dec 2009 13:58:07 GMT

Angles can be any double number, so angles such as 1400 are possible. However, a normalized angle will always fall within (0 <= range < 360). This animation supports the scenario where you want to rotate to the normalized angle of 45 counterclockwise (for example) without having to figure out how that relates to 1400 degrees without rotating around multiple times to get to that normalized angle.

Created Issue: assign registration points on objects to rotate around, resize from, etc. [11338]

dvanderboom — Thu, 31 Dec 2009 13:54:08 GMT

In Silverlight and WPF, you set Left and Top properties to position an object. However, it's often more intuitive to think about positioning an object by its center, rotating around its center... or by another point. Being constrained to (Left, Top) coordinates means that a lot of repetitive math must be used to center objects or otherwise align them differently. Assigning registration points to objects would allow them to be moved or rotated around points that make more sense for the application being developed.

It's conceivable that you may want different registration points for rotation vs. positioning vs. ..., and you may want to set a default registration point for all future rotations, but then later use a temporary registration point for a one-time animation. These scenarios should all be supported.

Created Issue: add collision detection [11337]

dvanderboom — Thu, 31 Dec 2009 13:47:54 GMT

Recognize when two objects are overlapping. Use a two-phased approach for efficiency: first determine if bounding rectangles overlap, and if they are, determine if painted regions overlap.