Tagged Questions
3
votes
2answers
165 views
What kind of projection is ScreenX=X/Z, ScreenY=Y/Z?
I have an existing class which transforms 3D vectors and projects them on a 2D plane (Camera). The code is all written in C without help from an external library.
To project a single vector (X,Y,Z) ...
2
votes
2answers
939 views
How can I transform a point from world space to object space?
If I have an object space described by transformation matrix that should be applied to object to transform it to world space, what I have to do to transform point (world space) to that object space.
...
1
vote
0answers
293 views
How can I draw a model perpendicular to a sloped surface? [duplicate]
Possible Duplicate:
How do I find rotation in 3D based on a vector/normal?
My models are axis-aligned. I know the normal of the surface I want to draw them on.
How do I compute the ...
0
votes
1answer
58 views
How to modify normal vectors with a tranformation matrix
Transformation is quite simple when it comes to Position or Color of the vertex, for Position just multiply matrix * vector and for color just don't do anything, but my question now is: How to handle ...
0
votes
1answer
17 views
Flash: matrix transformation combined with non-uniform screen scaling
I'm using a Flash transformation matrix (http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/geom/Matrix.html) to do affine transformation.
I have a rectangular image that's ...
