Implement your design with mfc and direct-3d

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Reference no: EM131239205

For the line defined in Exercise 1, define a velocity that is the same as the slope of the line: once created, the line will travel along the direction defined by its slope. Use the length of the line as the speed. (Note that longer lines travel faster than shorter lines).

Exercise 1

Here is the specification for dragging out a line:

• Left mouse button (LMB) clicks define the center of the line.

• LMB drags out a line such that the line extends in two directions. The first direction extends from the center (LMB click) position toward the current mouse position. The second direction extends in the opposite direction from the first with exactly the same length.

• Right mouse button (RMB) click-drag moves the line such that the center of the line follows the current mouse position.

(a) Follow the steps outlined in Section 19.2.3 and design an event-driven programming solution for this specification.

(b) Implement your design with FLTK and OpenGL.

Notice that in this case the useful application internal state information (the center position of the line) and the drawing presentation requirements (end points of the line) do not coincide exactly. When defining the application state, we should pay attention to what is the most important and convenient information to store in order to support the specified functionality.

Reference no: EM131239205

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