From c5fc66ee58f2c60f2d226868bb1cf5b91badaf53 Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Sat, 1 Oct 2022 20:59:36 -0500
Subject: add ode

---
 libs/ode-0.16.1/libccd/src/custom/ccdcustom/vec3.h | 114 +++++++++++++++++++++
 1 file changed, 114 insertions(+)
 create mode 100644 libs/ode-0.16.1/libccd/src/custom/ccdcustom/vec3.h

(limited to 'libs/ode-0.16.1/libccd/src/custom/ccdcustom/vec3.h')

diff --git a/libs/ode-0.16.1/libccd/src/custom/ccdcustom/vec3.h b/libs/ode-0.16.1/libccd/src/custom/ccdcustom/vec3.h
new file mode 100644
index 0000000..2ac2f22
--- /dev/null
+++ b/libs/ode-0.16.1/libccd/src/custom/ccdcustom/vec3.h
@@ -0,0 +1,114 @@
+/***
+ * libccd
+ * ---------------------------------
+ * Copyright (c)2010,2011 Daniel Fiser <danfis@danfis.cz>
+ *
+ *
+ *  This file is part of libccd.
+ *
+ *  Distributed under the OSI-approved BSD License (the "License");
+ *  see accompanying file BDS-LICENSE for details or see
+ *  <http://www.opensource.org/licenses/bsd-license.php>.
+ *
+ *  This software is distributed WITHOUT ANY WARRANTY; without even the
+ *  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *  See the License for more information.
+ */
+
+#ifndef __CCD_CUSTOM_VEC3_H__
+#define __CCD_CUSTOM_VEC3_H__
+
+#include <ccd/vec3.h>
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#ifdef CCD_SINGLE
+# define CCD_ATAN2(x, y) (atan2f((x), (y))) /*!< atan2 of two floats */
+#endif /* CCD_SINGLE */
+
+#ifdef CCD_DOUBLE
+# define CCD_ATAN2(x, y) (atan2((x), (y))) /*!< atan2 of two floats */
+#endif /* CCD_DOUBLE */
+
+/**
+ * d = v + w
+ */
+_ccd_inline void ccdVec3Add2(ccd_vec3_t *d, const ccd_vec3_t *v, const ccd_vec3_t *w);
+
+/**
+ * d = s * k;
+ */
+_ccd_inline void ccdVec3CopyScaled(ccd_vec3_t *d, const ccd_vec3_t *s, ccd_real_t k);
+
+/**
+ * d = v + s * k;
+ */
+_ccd_inline void ccdVec3AddScaled(ccd_vec3_t *d, const ccd_vec3_t *v, const ccd_vec3_t *s, ccd_real_t k);
+
+
+/**
+ * Normalizes given vector to unit length.
+ */
+_ccd_inline int ccdVec3SafeNormalize(ccd_vec3_t *d);
+
+
+_ccd_inline void ccdVec3Add2(ccd_vec3_t *d, const ccd_vec3_t *v, const ccd_vec3_t *w)
+{
+#ifndef dLIBCCD_USE_SYSTEM
+    d->v[0] = v->v[0] + w->v[0];
+    d->v[1] = v->v[1] + w->v[1];
+    d->v[2] = v->v[2] + w->v[2];
+#else
+    ccdVec3Copy(d, v);
+    ccdVec3Add(d, w);
+#endif
+}
+
+_ccd_inline void ccdVec3CopyScaled(ccd_vec3_t *d, const ccd_vec3_t *s, ccd_real_t k)
+{
+#ifndef dLIBCCD_USE_SYSTEM
+    d->v[0] = s->v[0] * k;
+    d->v[1] = s->v[1] * k;
+    d->v[2] = s->v[2] * k;
+#else
+    ccdVec3Copy(d, s);
+    ccdVec3Scale(d, k);
+#endif
+}
+
+_ccd_inline void ccdVec3AddScaled(ccd_vec3_t *d, const ccd_vec3_t *v, const ccd_vec3_t *s, ccd_real_t k)
+{
+#ifndef dLIBCCD_USE_SYSTEM
+    d->v[0] = v->v[0] + s->v[0] * k;
+    d->v[1] = v->v[1] + s->v[1] * k;
+    d->v[2] = v->v[2] + s->v[2] * k;
+#else
+    ccdVec3Copy(d, s);
+    ccdVec3Scale(d, k);
+    ccdVec3Add(d, v);
+#endif
+}
+
+_ccd_inline int ccdVec3SafeNormalize(ccd_vec3_t *d)
+{
+    int result = -1;
+
+    ccd_real_t len = CCD_SQRT(ccdVec3Len2(d));
+    if (len >= CCD_EPS) {
+        ccdVec3Scale(d, CCD_ONE / len);
+        result = 0;
+    }
+
+    return result;
+}
+
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* __CCD_CUSTOM_VEC3_H__ */
-- 
cgit v1.2.1