1 files changed, 29 insertions, 0 deletions
diff --git a/src/elements/fray.cpp b/src/elements/fray.cpp
new file mode 100644
index 0000000..eaf82a0
--- /dev/null
+++ b/src/elements/fray.cpp
@@ -0,0 +1,29 @@
+#include "simulation/Element.h"
+
+int update_FRAY(UPDATE_FUNC_ARGS) {
+	int r, nxx, nyy, docontinue, len, nxi, nyi, rx, ry, nr, ry1, rx1;
+	for (rx=-1; rx<2; rx++)
+		for (ry=-1; ry<2; ry++)
+			if (x+rx>=0 && y+ry>0 && x+rx<XRES && y+ry<YRES && (rx || ry))
+			{
+				r = pmap[y+ry][x+rx];
+				if (!r)
+					continue;
+				if ((r&0xFF)==PT_SPRK) {
+					for (docontinue = 1, nxx = 0, nyy = 0, nxi = rx*-1, nyi = ry*-1, len = 0; docontinue; nyy+=nyi, nxx+=nxi, len++) {
+						if (!(x+nxi+nxx<XRES && y+nyi+nyy<YRES && x+nxi+nxx >= 0 && y+nyi+nyy >= 0) || len>10) {
+							break;
+						}
+						r = pmap[y+nyi+nyy][x+nxi+nxx];
+						if (!r)
+							r = sim->photons[y+nyi+nyy][x+nxi+nxx];
+
+						if (r && !(sim->ptypes[r&0xFF].properties & TYPE_SOLID)){
+							parts[r>>8].vx += nxi*((parts[i].temp-273.15)/10.0f);
+							parts[r>>8].vy += nyi*((parts[i].temp-273.15)/10.0f);
+						}
+					}
+				}
+			}
+	return 0;
+}