Mercurial > hg > dmlib
view dmlerp.c @ 333:230cc7c6564d
Rename DM_DEBUG compile time define to DM_DEVEL, for development mode.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 15 Oct 2012 13:28:00 +0300 |
parents | 72813cece1ba |
children |
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#include "dmlib.h" void dmLerpInit(DMLerpContext *ctx, DMFloat start, DMFloat end, DMFloat nsteps) { ctx->start = start; ctx->end = end; ctx->nsteps = nsteps; } DMFloat dmCatmullRom(const DMFloat t, const DMFloat p0, const DMFloat p1, const DMFloat p2, const DMFloat p3) { const DMFloat q = t * t; return ( (2 * p1) + (-p0 + p2) * t + (2 * p0 - 5 * p1 + 4 * p2 - p3) * q + ( -p0 + 3 * p1 - 3 * p2 + p3) * q * t ) * 0.5f; }