Some fast math stuff added

2 files changed, 22 insertions, 3 deletions

diff --git a/test/scanTest1.c b/test/scanTest1.c
index 19d78b5..c673e04 100644
--- a/test/scanTest1.c
+++ b/test/scanTest1.c
@@ -16,9 +16,9 @@ Color lineScanner(uint16_t x, uint16_t y, uint32_t frameNumber)
 
         if (section >= 200)
         {
-            c =  (x >> 8) + (uint8_t)(hypot(x >> 8, y >> 8) * (frameNumber % 255));
+            c = (x >> 8) + (uint8_t)(hypot(x >> 8, y >> 8) * (frameNumber % 255));
         } else if (section >= 100) {
-            c =  (x >> 8) + (uint8_t)(hypot(cos(x >> scale), sin(y >> scale)) * (frameNumber % 255));
+            c = (x >> 8) + (uint8_t)(hypot(cos(x >> scale), sin(y >> scale)) * (frameNumber % 255));
         } else {
             c = frameNumber + hypot((x - 32768) >> scale, (y - 32768) >> scale);
         }
diff --git a/test/scanTest2.c b/test/scanTest2.c
index 40c82fe..1a90bb7 100644
--- a/test/scanTest2.c
+++ b/test/scanTest2.c
@@ -7,6 +7,25 @@
 
 Color lineScanner(uint16_t x, uint16_t y, uint32_t frameNumber)
 {
-    return (Color){.r = x % 100 == 1 ? 255 : 0, .g = 0, .b = 0, .a = 255};
+    //uint8_t c = (x >> 8) + (uint8_t)(SLDJ_HYPOT2((x >> 9), (y >> 9)) * (frameNumber % 255));
+    //uint8_t c = sin(x * DEG2RAD) * 256;
+    //uint8_t c = SLDJ_SIN(x % 360) * 256;
+
+    uint8_t scale = random() % 2 + 7;
+
+    float scaleCos = SLDJ_COS(((int)(x * RAD2DEG) >> scale) % 360);
+    float scaleSin = SLDJ_SIN(((int)(y * RAD2DEG) >> scale) % 360);
+    
+    uint8_t c1 =  (x >> 8) + (uint8_t)(SLDJ_HYPOT2((x >> 8), (y >> 8)) * (frameNumber % 255));
+    uint8_t c2 =  (x >> 8) + (uint8_t)(SLDJ_HYPOT2(scaleCos, scaleSin) * (frameNumber % 255));
+    uint8_t c3 = frameNumber + SLDJ_HYPOT2(((x - 32768) >> scale), ((y - 32768) >> scale));
+    uint8_t c = c1 & c2 & c3;
+    
+    return (Color){
+        .r = c,
+        .g = c - 127,
+        .b = c,
+        .a = 255
+    };
 }