summaryrefslogtreecommitdiffstats
path: root/sdk/rwsdk/include/d3d8/rtintsec.h
diff options
context:
space:
mode:
Diffstat (limited to 'sdk/rwsdk/include/d3d8/rtintsec.h')
-rw-r--r--sdk/rwsdk/include/d3d8/rtintsec.h138
1 files changed, 0 insertions, 138 deletions
diff --git a/sdk/rwsdk/include/d3d8/rtintsec.h b/sdk/rwsdk/include/d3d8/rtintsec.h
deleted file mode 100644
index a2e4c3d6..00000000
--- a/sdk/rwsdk/include/d3d8/rtintsec.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/***************************************************************************
- * *
- * Module : rtintsec.h *
- * *
- * Purpose : Intersection tests on geometry primitives. *
- * *
- **************************************************************************/
-
-#ifndef RTINTSEC_H
-#define RTINTSEC_H
-
-/**
- * \defgroup rtintersection RtIntersection
- * \ingroup mathtools
- *
- * Object Intersection Toolkit for RenderWare.
- */
-
-/****************************************************************************
- Includes
- */
-
-#include <rwcore.h>
-#include "rtintsec.rpe" /* automatically generated header file */
-
-/****************************************************************************
- Defines
- */
-
-#define RTINTSECEPSILON (RwReal)(1e-8)
-#define RTINTSECEDGEEPS (RwReal)(1e-5)
-
-#define RtIntersectionLineTriangleMacro(_result, \
- _lineStart, _lineDelta, \
- _v0, _v1, _v2, \
- _distance) \
-MACRO_START \
-{ \
- RwV3d edge1, edge2, tVec, pVec, qVec; \
- RwReal det; \
- \
- /* Find vectors for two edges sharing vert0 */ \
- RwV3dSubMacro(&edge1, (_v1), (_v0)); \
- RwV3dSubMacro(&edge2, (_v2), (_v0)); \
- \
- /* Begin calculating determinant \
- * - also used to calculate U parameter */ \
- RwV3dCrossProductMacro(&pVec, (_lineDelta), &edge2); \
- \
- /* If determinant is \
- * + near zero, ray lies in plane of \
- * triangle \
- * + negative, triangle is backfacing \
- */ \
- det = RwV3dDotProductMacro(&edge1, &pVec); \
- (_result) = (det > RTINTSECEPSILON); \
- \
- if ((_result)) \
- { \
- RwReal lo, hi, u; \
- \
- /* Calculate bounds for parameters with tolerance */ \
- lo = - det*RTINTSECEDGEEPS; \
- hi = det - lo; \
- \
- /* Calculate U parameter and test bounds */ \
- RwV3dSubMacro(&tVec, (_lineStart), (_v0)); \
- u = RwV3dDotProductMacro(&tVec, &pVec); \
- (_result) = (u >= lo && u <= hi); \
- \
- if ((_result)) \
- { \
- RwReal v; \
- \
- /* Calculate V parameter and test bounds */ \
- RwV3dCrossProductMacro(&qVec, &tVec, &edge1); \
- v = RwV3dDotProductMacro((_lineDelta), &qVec); \
- (_result) = (v >= lo && (u + v) <= hi); \
- \
- if ((_result)) \
- { \
- /* Calculate t, \
- * and make sure intersection is in bounds of line */ \
- *(_distance) = RwV3dDotProductMacro(&edge2, &qVec); \
- \
- /* Within bounds of line? */ \
- (_result) = (*(_distance) >= lo && *(_distance) <= hi); \
- \
- if ((_result)) \
- { \
- *(_distance) = ((*(_distance)) / (det)); \
- } \
- } \
- } \
- } \
-} \
-MACRO_STOP
-
-
-/****************************************************************************
- Global Types
- */
-
-
-/* RWPUBLIC */
-/****************************************************************************
- Function prototypes
- */
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif /* __cplusplus */
-
-/* Line intersections */
-extern RwBool
-RtIntersectionLineTriangle(RwV3d *lineStart, RwV3d *lineDelta,
- RwV3d *v0, RwV3d *v1, RwV3d *v2,
- RwReal *distance);
-
-/* Sphere intersections */
-extern RwBool
-RtIntersectionSphereTriangle(RwSphere *sphere,
- RwV3d *v0, RwV3d *v1, RwV3d *v2,
- RwV3d *normal,
- RwReal *distance);
-
-/* BBox intersections */
-extern RwBool
-RtIntersectionBBoxTriangle(RwBBox *bbox, RwV3d *v0, RwV3d *v1, RwV3d *v2);
-
-#ifdef __cplusplus
-}
-#endif /* __cplusplus */
-
-/* RWPUBLICEND */
-
-#endif /* RTINTSEC_H */