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-rw-r--r--test/scanTest1.c18
1 files changed, 17 insertions, 1 deletions
diff --git a/test/scanTest1.c b/test/scanTest1.c
index 06057f2..32c4d86 100644
--- a/test/scanTest1.c
+++ b/test/scanTest1.c
@@ -1,5 +1,7 @@
#include <stdio.h>
#include <stdint.h>
+#include <stdlib.h>
+#include <math.h>
typedef struct Color {
unsigned char r;
@@ -10,6 +12,20 @@ typedef struct Color {
Color lineScanner(uint16_t x, uint16_t y, uint32_t frameNumber)
{
- return (Color){.r = random() % 255, .g = random() % 255, .b = random() % 255, .a = 255};
+ uint8_t c = 0;
+
+ if (frameNumber % 255 >= 127)
+ {
+ c = (x >> 8) + (uint8_t)(hypot(x >> 9, y >> 9) * (frameNumber % 255));
+ } else {
+ c = (x >> 8) + (uint8_t)(hypot(cos(x >> 9), sin(y >> 9)) * (frameNumber % 255));
+ }
+
+ return (Color){
+ .r = (uint8_t)(sin(c) * 127),
+ .g = c - 127,
+ .b = c,
+ .a = 255
+ };
}