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12
votes
2answers
1k views

How do I create a World Healing Wave effect?

I want to change my dark and depressing background to a happy grassy background, in real-time, such that the happy background is shown in a radius around a game character. A forcefield of happiness, ...
13
votes
5answers
4k views

How can I handle sprite sheets with nonuniform sprite dimensions?

For a spritesheet with non-uniform sprite dimensions, how can I get the bounding-rectangles for each individual sprite (i.e. the blue boxes in the following image / I only drew a few examples)? What ...
-1
votes
1answer
73 views

How do I detect how much of an object has been “cleaned” by the player?

I want to let the player wipe some dust off of a book, then start a short animation. Here's what it looks like: I'm using a clipping region on the "dusty" book bitmap image to progressively hide ...
1
vote
0answers
881 views

Clipping polygons in XNA with stencil (not using spritebatch)

The problem... i'm drawing polygons, in this case boxes, and i want clip children polygons with its parent's client area. // Class Region public void Render(GraphicsDevice Device, Camera ...