i want to create a 2d-editor like application in WPF an i need to know how to do this: How can intercept the event when i click on a Line or Polyline?
I have a QGraphicsScene and I add a couple of QGraphicsItem(s) to the scene. All the items being added to the scene are QGraphicsPixmapItem.
I have a task of interpolating a 2d array of NxM to AxB, where A > N and B > M. The point of it is building a simple color coded image of an array (heat map).
I am centrally scaling a box on a graph with th开发者_JS百科e following: var x1 = (this.width - (this.image.width * this.scale)) / 2 + this.origin.x;
I need to implement free form drawing in a paint app. I started with the canvas method (fingerpain开发者_开发知识库t example in android) but the performance is extremely slow.
Hey looking at this page which describes how to calculate collisions between any two polygons, I have a few questions on why the author takes some of the steps he does. He thoroughly shows how to calc
Hey guys i\'m making a 2D java game and i\'m trying to figure out how to make a good collision code. I am currently using the following code:
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered开发者_StackOverflow社区 in its curr
I am learning how to make a 2D object with OpenGL. I made a simple rectangle with GL_QUADS with four vertex 3f example vertex1, vertex2, vertex3, vertex4. The question is, is there anyway so I can mak
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