X-Git-Url: https://eleni.mutantstargoat.com/git/?p=hair;a=blobdiff_plain;f=src%2Fobject.cc;fp=src%2Fobject.cc;h=ae33bb15bca07c9f8460c145684c038fe21a952d;hp=0000000000000000000000000000000000000000;hb=a65a977df6fa8fee831c91cdc754d62e023b6630;hpb=b07896ffc92093a3e8adb4953d22927a5874e43d

diff --git a/src/object.cc b/src/object.cc
new file mode 100644
index 0000000..ae33bb1
--- /dev/null
+++ b/src/object.cc
@@ -0,0 +1,16 @@
+#include "object.h"
+
+CollSphere::CollSphere()
+{
+	radius = 1.0;
+}
+
+bool CollSphere::contains(const Vec3 &v) const
+{
+	return length_sq(v - center) <= radius * radius;
+}
+
+Vec3 CollSphere::project_surf(const Vec3 &v) const
+{
+	return center + normalize(v - center) * radius;
+}