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Why shearing coefficients multiplying by y? [closed]
We know that shear is transformation that distorts the shape of the object. Shear relative to X-axis that is $y=0$ line can be written as:
$x'=x+sh_x.y, y'=y$
My question is why $sh_x$ is multiplying ...
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Does rotating object inside unit cube [-1,1] by homogenous matrix move it outside unit cube
I am just trying to rotate my pointcloud object which is inside the unit cube ([-1,1] in all x,y,z axis). What I did is use the basic rotation matrix from wiki and extend it to homogenuous 4x4 matrix (...