Пример #1
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple
        n_pixels: the total number of pixels

        Returns an (r, g, b) tuple in the range 0-255

        """
        x, y, z = self._layout[ii]

        w1 = color_utils.cos(t, period=17)
        w2 = color_utils.cos(t, offset=30, period=23)

        red = (1.0, 0.0, 0.0)
        orange = (0.5, 0.25, 0.0)

        channel_1 = color_utils.scale(
            red,
            color_utils.cos(x + y, offset=-w2, period=3, minn=0.1, maxx=0.5))
        channel_2 = color_utils.scale(
            orange,
            color_utils.cos(x + y, offset=w1, period=5, minn=0.1, maxx=0.5))

        r, g, b = (0, 0, 0)
        r, g, b = color_utils.v_add([r, g, b], channel_1)
        r, g, b = color_utils.v_add([r, g, b], channel_2)

        return (r, g, b)
Пример #2
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple
        n_pixels: the total number of pixels

        Returns an (r, g, b) tuple in the range 0-255

        """
        # x, y, z = self._layout[ii]
        r = g = b = 0

        blinker = color_utils.cos(ii / 100,
                                  offset=t / 8,
                                  period=1,
                                  minn=0.0,
                                  maxx=1.0)

        if blinker < 0.5:
            return (0, 0, 0)

        m = int(ii / self.grouping) % self.spacing

        if int(t) % 4 > 1:
            m = (m + self.spacing // 2) % self.spacing
        return self.lookup[m]

        return (r, g, b)
Пример #3
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple
        n_pixels: the total number of pixels

        Returns an (r, g, b) tuple in the range 0-255

        """
        # make moving stripes for x, y, and z
        x, y, z = self._layout[ii]
        r = color_utils.cos(x + y + z,
                            offset=t / 4,
                            period=1,
                            minn=0,
                            maxx=0.7)
        g = color_utils.cos(x + y + z,
                            offset=t / 3,
                            period=1,
                            minn=0,
                            maxx=0.7)
        b = color_utils.cos(x + y + z,
                            offset=t / 5,
                            period=1,
                            minn=0,
                            maxx=0.7)
        r, g, b = color_utils.contrast((r, g, b), 0.5, 2)

        # make a moving white dot showing the order of the pixels in the layout file
        spark_ii = (t * 80) % self.n_pixels()
        spark_rad = 8
        spark_val = max(
            0,
            (spark_rad - color_utils.mod_dist(ii, spark_ii, self.n_pixels())) /
            spark_rad,
        )
        spark_val = min(1, spark_val * 2)
        r += spark_val
        g += spark_val
        b += spark_val

        return (r, g, b)
Пример #4
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple
        n_pixels: the total number of pixels

        Returns an (r, g, b) tuple in the range 0-255

        """
        x, y, z = self._layout[ii]

        w1 = color_utils.cos(t, period=17)
        w2 = color_utils.cos(t, offset=30, period=23)
        # r = g = b = color_utils.cos(x+y, offset=w1, period=1, minn=0.0, maxx=0.4)
        # (r,g,b) = color_utils.contrast((r,g,b), 0.5, 4)
        r = 0
        b = color_utils.cos(x + y, offset=w1, period=5, minn=0.1, maxx=0.5)
        g = color_utils.cos(x + y, offset=w2, period=3, minn=0.2, maxx=0.4)
        return (r, g, b)
Пример #5
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple
        n_pixels: the total number of pixels

        Returns an (r, g, b) tuple in the range 0-255

        """
        x, y, z = self._layout[ii]

        w1 = color_utils.cos(t, period=17)
        w2 = color_utils.cos(t, offset=30, period=23)

        darkblue = (0.0, 0.0, 0.0)
        # blue = (0.0, 0.0, 1.0)
        magenta = (1.0, 0.0, 1.0)
        cyan = (0.0, 0.7, 0.7)

        # channel_1 = color_utils.scale(
        #     blue, color_utils.cos(x + y, offset=-w2, period=3, minn=0.1, maxx=0.5)
        # )
        channel_2 = color_utils.scale(
            magenta,
            color_utils.cos(x + y, offset=w1, period=5, minn=0.1, maxx=0.5))
        channel_3 = color_utils.scale(
            cyan,
            color_utils.cos(x + y, offset=w2, period=7, minn=0.2, maxx=0.4))

        r, g, b = darkblue
        # r,g,b = color_utils.v_add([r,g,b], channel_1)
        r, g, b = color_utils.v_add([r, g, b], channel_2)
        r, g, b = color_utils.v_add([r, g, b], channel_3)

        return (r, g, b)
Пример #6
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple

        Returns an (r, g, b) tuple in the range 0-255

        """

        #     # random persistant color per pixel
        #     r = color_utils.remap(random_values[(ii+0)%n_pixels], 0, 1, 0.2, 1)
        #     g = color_utils.remap(random_values[(ii+3)%n_pixels], 0, 1, 0.2, 1)
        #     b = color_utils.remap(random_values[(ii+6)%n_pixels], 0, 1, 0.2, 1)

        # random assortment of a few colors per pixel: pink, cyan, white
        if self.__random_values[ii] < 0.5:
            r, g, b = (1, 0.3, 0.8)
        elif self.__random_values[ii] < 0.85:
            r, g, b = (0.4, 0.7, 1)
        else:
            r, g, b = (2, 0.6, 1.6)

        # twinkle occasional LEDs
        twinkle = (self.__random_values[ii] * 7 + t * self.__twinkle_speed) % 1
        twinkle = abs(twinkle * 2 - 1)
        twinkle = color_utils.remap(twinkle, 0, 1, -1 / self.__twinkle_density,
                                    1.1)
        twinkle = color_utils.clamp(twinkle, -0.5, 1.1)
        twinkle **= 5
        twinkle *= color_utils.cos(t - ii / self.n_pixels(),
                                   offset=0,
                                   period=7,
                                   minn=0.1,
                                   maxx=1.0)**20
        twinkle = color_utils.clamp(twinkle, -0.3, 1)
        r *= twinkle
        g *= twinkle
        b *= twinkle

        return (r, g, b)
Пример #7
0
    def pixel_color(self, t, ii):
        """Compute the color of a given pixel.

        t: time in seconds since the program started.
        ii: which pixel this is, starting at 0
        coord: the (x, y, z) position of the pixel as a tuple
        n_pixels: the total number of pixels

        Returns an (r, g, b) tuple in the range 0-255

        """
        x, y, z = self._layout[ii]

        block = int(ii / self.block_size)
        period = (((block + 1) * 51) % 37) + 1

        hue = color_utils.cos(t / 25 + block,
                              offset=0,
                              period=period,
                              minn=0.0,
                              maxx=1.0)
        r, g, b = colorsys.hsv_to_rgb(hue, 1.0, 1.0)

        return (r, g, b)