How do you figure the matrix on scale, rotate, translate, skew?
matrix(a, c, b, d, tx, ty)♪ C
translateIt's kind of simple:
translateX = tx♪
translateY = ty♪ And here's how to pull the scale, rotate, skew, I don't understand a little bit because in the first rotate and scale there should be degrees, second: Like,
skewX = b♪
skewY = c♪
scaleX = a♪
scaleY = dbut to turn the element in the matrix
a = cos(x)♪
b = sin(x)♪
c = -sin(x)♪
d cos(x)♪ In fact, from the set of parameters, the matrix I would have done, and here from the matrix, I don't understand how. Please tell me how to translate the matrix into an understandable, simple man's language or tell me how you can get your properties.
Matrix you get.
matrix(a, c, b, d, tx, ty)is presented as follows:
As you pointed out correctly:
tx, ty- responsible for displacement.
The importance of the main diagonal, in our case.
a,d, with that.
a- wide scale,
d- in height.
c,b- responsible for inclination
and all together.
a,b,c,d- for the turn.
You can see more in the picture.
These changes are referred to as Athens, and they can be explained in detail: