gradient function considers 4 coordinates

2019-10-21 22:34:37 +02:00 · 2019-10-21 22:34:37 +02:00 · d68ce01b63
parent 09fcd14aa7
commit d68ce01b63
1 changed files with 1 additions and 1 deletions
--- a/basegraph.cpp
+++ b/basegraph.cpp
@ -922,7 +922,7 @@ EX void drawmessages() {
 EX color_t gradient(color_t c0, color_t c1, ld v0, ld v, ld v1) {
  int vv = int(256 * ((v-v0) / (v1-v0)));
  color_t c = 0;
-  for(int a=0; a<3; a++) {
+  for(int a=0; a<4; a++) {
    int p0 = part(c0, a);
    int p1 = part(c1, a);
    part(c, a) = (p0*(256-vv) + p1*vv + 127) >> 8;