Last commit didn't sync everything, trying again

19 - AddressableLED/Challenge/README.md

@@ -0,0 +1 @@
+Make your own LED animation, be creative, no wrong answers on this challenge, assuming your code runs as you describe in comments. 

19 - AddressableLED/Challenge/robot.py

@@ -0,0 +1,81 @@
+import wpilib
+import math
+
+class MyRobot(wpilib.TimedRobot):
+    def robotInit(self):
+        self.width = 84
+        self.height = 56
+
+        self.buffer = wpilib.AddressableLED.LEDData(self.width * self.height)
+
+        self.leds = wpilib.AddressableLED(0)
+        self.leds.setLength(self.width * self.height)
+        self.leds.start()
+
+        self.hsvShift = 0
+
+        self.plasma = [[0] * self.width] * self.height
+
+        for i in range(self.width):
+            for j in range(self.height):
+                self.plasma[i][j] = int((128.0 + (128.0 * math.sin(i / 4.0)) + 128.0 + (128.0 * math.sin(j / 4.0))) / 2)
+
+        self.palette = [0] * 256
+
+        for i in range(len(self.palette)):
+            self.palette[i] = self.__hsvToColor(self.__map(i, 0, 255, 0, 359), 1, 1)
+
+    def robotPeriodic(self):
+        for i in range(self.width):
+            for j in range(self.height):
+                position = (self.plasma[i][j] + self.hsvShift) % 256
+
+                self.buffer.setLED((j * self.width) + i, self.palette[position])
+
+        self.hsvShift += 1
+        self.leds.setData(self.buffer)
+
+    def autonomousInit(self):
+        pass
+
+    def autonomousPeriodic(self):
+        pass
+
+    def teleopInit(self):
+        pass
+
+    def teleopPeriodic(self):
+        pass
+
+    def __map(self, x, inMin, inMax, outMin, outMax):
+        return int((x - inMin) * (outMax - outMin) / (inMax - inMin) + outMin)
+
+    def __hsvToColor(self, h, s, v):
+        if s == 0:
+            return wpilib.Color(wpilib.Color8Bit(int(v * 255.0), int(v * 255.0), int(v * 255.0)))
+
+        htemp = h / 60.0
+        i = int(math.floor(htemp))
+
+        f = htemp - i
+        p = v * (1.0 - s)
+        q = v * (1.0 - s * f)
+        t = v * (1.0 - s * (1.0 - f))
+
+        if i == 0:
+            return wpilib.Color(wpilib.Color8Bit(int(v * 255.0), int(t * 255.0), int(p * 255.0)))
+        elif i == 1:
+            return wpilib.Color(wpilib.Color8Bit(int(q * 255.0), int(v * 255.0), int(p * 255.0)))
+        elif i == 2:
+            return wpilib.Color(wpilib.Color8Bit(int(p * 255.0), int(v * 255.0), int(t * 255.0)))
+        elif i == 3:
+            return wpilib.Color(wpilib.Color8Bit(int(p * 255.0), int(q * 255.0), int(v * 255.0)))
+        elif i == 4:
+            return wpilib.Color(wpilib.Color8Bit(int(t * 255.0), int(p * 255.0), int(v * 255.0)))
+        elif i == 5:
+            return wpilib.Color(wpilib.Color8Bit(int(v * 255.0), int(p * 255.0), int(q * 255.0)))
+        else:
+            return wpilib.Color(0, 0, 0)
+
+if __name__ == "__main__":
+    wpilib.run(MyRobot)