def scale(self, *args):
a, b = 1, 1
x, y = 0, 0
if len(args) == 1:
v = args[0]
if isinstance(v, list) or isinstance(v, tuple):
a, b = v[0], v[1]
if isinstance(v, vec2):
a, b = v.x, v.y
elif len(args) == 2:
v = args[0]
if isinstance(v, vec2):
x, y = v.x, v.y
a, b = args[1].x, args[1].y
elif isinstance(v, list) or isinstance(v, tuple):
x, y = v[0], v[1]
a, b = args[1][0], args[1][1]
else:
a, b = args[0], args[1]
elif len(args) == 4:
x, y, a, b = args[0], args[1], args[2], args[3]
_m = mat3()
_m.set(0, 0, a)
_m.set(1, 1, b)
_mR = mat3()
_mR[0] = 1, 0, x
_mR[1] = 0, 1, y
_m = _m * _mR
self.__matStack[0] = self.__matStack[0] * _m
def rotate(self, *args):
x, y, angle = 0, 0, 0
if len(args) == 3:
x, y, angle = args[0], args[1], args[2]
elif len(args) == 1:
angle = args[0]
elif len(args) == 2:
v = args[0]
angle = args[1]
if isinstance(v, vec2):
x, y = v.x, v.y
elif isinstance(v, list) or isinstance(v, tuple):
x, y = v[0], v[1]
sin_a, cos_a = math.sin(angle), math.cos(angle)
_m = mat3()
_m[0] = cos_a, -sin_a, 0
_m[1] = sin_a, cos_a, 0
_mL = mat3()
_mL[0] = 1, 0, x
_mL[1] = 0, 1, y
_mR = mat3()
_mR[0] = 1, 0, -x
_mR[1] = 0, 1, -y
_m = _mL * _m
_m = _m * _mR
self.__matStack[0] = self.__matStack[0] * _m
def translate(self, *args):
tx, ty = 0, 0
if len(args) == 1:
v = args[0]
if isinstance(v, list) or isinstance(v, tuple):
tx, ty = v[0], v[1]
if isinstance(v, vec2):
tx, ty = v.x, v.y
else:
tx, ty = args[0], args[1]
_m = mat3()
_m.set(0, 2, tx)
_m.set(1, 2, ty)
self.__matStack[0] = self.__matStack[0] * _m
def __init__(self):
self.__matStack = [mat3()]
def resetAll(self):
for i in range(len(self.__matStack)):
self.__matStack[i] = mat3()
def resetCurrentMat(self):
self.__matStack[0] = mat3()
def popAll(self):
self.__matStack.clear()
self.__matStack.append(mat3())