本文整理汇总了Python中Matrix.Matrix.identity方法的典型用法代码示例。如果您正苦于以下问题：Python Matrix.identity方法的具体用法？Python Matrix.identity怎么用？Python Matrix.identity使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Matrix.Matrix的用法示例。
在下文中一共展示了Matrix.identity方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: init
# 需要导入模块: from Matrix import Matrix [as 别名]
# 或者: from Matrix.Matrix import identity [as 别名]
def init(self):
# Initialize the renderer, set up the Window.
glfw.init()
glfw.window_hint(glfw.CONTEXT_VERSION_MAJOR, 3)
glfw.window_hint(glfw.CONTEXT_VERSION_MINOR, 3)
glfw.window_hint(glfw.OPENGL_FORWARD_COMPAT, gl.GL_TRUE)
glfw.window_hint(glfw.OPENGL_PROFILE, glfw.OPENGL_CORE_PROFILE)
glfw.window_hint(glfw.DECORATED, gl.GL_TRUE)
glfw.window_hint(glfw.DECORATED, gl.GL_TRUE)
glfw.window_hint(glfw.RESIZABLE, gl.GL_FALSE)
width = Config.windowWidth
height = Config.windowHeight
self.aspect = width/height
# Initialize the window
self.window = glfw.create_window(width, height, "Magic", None, None)
glfw.make_context_current(self.window)
self.renderer = Renderer()
self.quad = []
self.text = []
# Set up camera
self.viewMatrix = Matrix.identity()
# Set up view transform. View is always 16 units high, and 16 * aspect units
# wide. The extra space outside of a 4:3 ratio is unused, to make sure that
# all the cards always fit in a 4:3 aspect monitor.
vHeight = 2
vWidth = vHeight * self.aspect
self.projectionMatrix = Matrix.ortho(-vWidth/2, vWidth/2, vHeight/2, -vHeight/2, -1, 1)
self.viewProjectionMatrix = self.projectionMatrix * self.viewMatrix
# Set up viewport
fbWidth, fbHeight = glfw.get_framebuffer_size(self.window)
gl.glViewport(0, 0, fbWidth, fbHeight)
q = Quad(Texture('Images/Sen Triplets.jpg'))
# Natural resolution of cards is 480x680
cardAspect = 480/680
q.x = 0
q.y = 0
q.height = .8
q.width = q.height * cardAspect
self.quad.append(q)示例2: setBasis
# 需要导入模块: from Matrix import Matrix [as 别名]
# 或者: from Matrix.Matrix import identity [as 别名]
def setBasis(self, basis):
"""Set the basis matrix for this coordinate system. The basis matrix
should be 3x3. The rows should be:
| Row # | Description |
+-------+-----------------------------------------------------+
| 0 | x basis vector (row vector, in parent coordinates.) |
| 1 | y basis vector (row vector, in parent coordinates.) |
| 2 | z basis vector (row vector, in parent coordinates.) |
Therefore M * (x - O) = x' where:
M = the basis vector
O = origin of this coordinate system, in parent coordinate system.
x = vector in parent coordinate system
x' = vector in this coordinate system."""
# TODO: error out if this matrix is not 3x3 and orthonormal.
# TODO: error out if there is no parent coordinate system!
if basis is not None:
self.mBasis = basis # The basis matrix.
else:
self.mBasis = Matrix.identity(3)
# We don't assign a value to this until we need it.
self.mBasisTranspose = None示例3: test_identity
# 需要导入模块: from Matrix import Matrix [as 别名]
# 或者: from Matrix.Matrix import identity [as 别名]
def test_identity(self):
m = Matrix(3, 3, mtype='i')
self.assertEqual(m, Matrix([1, 0, 0], [0, 1, 0], [0, 0, 1]))
m = Matrix(2, 2)
m.identity()
self.assertEqual(m, Matrix([1, 0], [0, 1]))