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Python PNMImage.setGreen方法代码示例

本文整理汇总了Python中pandac.PandaModules.PNMImage.setGreen方法的典型用法代码示例。如果您正苦于以下问题:Python PNMImage.setGreen方法的具体用法?Python PNMImage.setGreen怎么用?Python PNMImage.setGreen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pandac.PandaModules.PNMImage的用法示例。


在下文中一共展示了PNMImage.setGreen方法的2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: grassTexture

# 需要导入模块: from pandac.PandaModules import PNMImage [as 别名]
# 或者: from pandac.PandaModules.PNMImage import setGreen [as 别名]
def grassTexture(imgSize=(256,256)):
    """Return a green, 'grassy' texture (PNMImage) of the given image size,
    produced using 2D Perlin noise."""

    # Initialuse the PNMImage object
    img = PNMImage(*imgSize)

    # Initalise 4 PerlinNoise2 objects to produce noise at different scales
    noise1 = PerlinNoise2()
    noise1.setScale(2.0)
    noise2 = PerlinNoise2()
    noise2.setScale(5.0)
    noise3 = PerlinNoise2()
    noise3.setScale(0.25)
    noise4 = PerlinNoise2()
    noise4.setScale(0.125)

    # For each pixel in the image, set the red and blue values of the pixel to
    # constant values, and set the green value of the pixel using all 4
    # PerlinNoise2 objects.
    red = 0.125 # Colour values in PNMImage are doubles in the range [0.0,1.0]
    blue = 0.0625
    for x in xrange(imgSize[0]):
        for y in xrange(imgSize[1]):
            img.setRed(x,y,red)
            img.setBlue(x,y,blue)
            pos = Vec2(1.0/32*x, 1.0/32*y)
            img.setGreen(x,y,(0.5 + noise1(pos)*0.0625 + noise2(pos)*0.0625 +
                              noise3(pos)*0.125 + noise4(pos)*0.0625))

    return img
开发者ID:kengleason,项目名称:PandaSteer,代码行数:33,代码来源:perlin.py

示例2: greenNoise

# 需要导入模块: from pandac.PandaModules import PNMImage [as 别名]
# 或者: from pandac.PandaModules.PNMImage import setGreen [as 别名]
def greenNoise(imgSize=(32,32),scale=0.25):
    """Return a PNMImage of the given size containing Perlin noise at the given
    scale in the green colour values of the image pixels."""

    # Initialuse the PNMImage object
    img = PNMImage(*imgSize)

    # Initalise PerlinNoise2 object
    noise = PerlinNoise2()
    noise.setScale(scale)

    # Fill in the pixels of img, setting the red and blue values of each pixel
    # to 0 and the green value to Perlin noise.
    for x in xrange(imgSize[0]):
        for y in xrange(imgSize[1]):
            img.setRed(x,y,0)
            img.setBlue(x,y,0)
            pos = Vec2(1.0/32*x, 1.0/32*y)
            img.setGreen(x,y,(noise(pos)+1.0)/2.0)

    return img
开发者ID:kengleason,项目名称:PandaSteer,代码行数:23,代码来源:perlin.py


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