Adding 8 and 16 bit simplex noise implementations to the library. The 8 bit version can do over 30,000 noise points per second, the 16 bit version over 15,000. Also, add a debugging FPS counter to FastLED.

1 files changed, 20 insertions, 0 deletions

diff --git a/noise.h b/noise.h
new file mode 100644
index 00000000..07d12226
--- /dev/null
+++ b/noise.h
@@ -0,0 +1,20 @@
+#ifndef __INC_NOISE_H
+#define __INC_NOISE_H
+
+// 16 bit, fixed point implementation of perlin's Simplex Noise.  Coordinates are
+// 16.16 fixed point values, 32 bit integers with integral coordinates in the high 16
+// bits and fractional in the low 16 bits, and the function takes 1d, 2d, and 3d coordinate
+// values.
+extern uint16_t inoise16(uint32_t x, uint32_t y, uint32_t z);
+extern uint16_t inoise16(uint32_t x, uint32_t y);
+extern uint16_t inoise16(uint32_t x);
+
+// 8 bit, fixed point implementation of perlin's Simplex Noise.  Coordinates are
+// 8.8 fixed point values, 16 bit integers with integral coordinates in the high 8
+// bits and fractional in the low 8 bits, and the function takes 1d, 2d, and 3d coordinate
+// values.
+extern uint8_t inoise8(uint16_t x, uint16_t y, uint16_t z);
+extern uint8_t inoise8(uint16_t x, uint16_t y);
+extern uint8_t inoise8(uint16_t x);
+
+#endif