From 253a0b73f0975d8f14c3a3f2a06675b53c736071 Mon Sep 17 00:00:00 2001 From: Dan Goodliffe Date: Wed, 3 Mar 2021 01:25:15 +0000 Subject: Simplify a lot of code with sincosf --- game/network/rail.cpp | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) (limited to 'game/network/rail.cpp') diff --git a/game/network/rail.cpp b/game/network/rail.cpp index d095e38..cc40070 100644 --- a/game/network/rail.cpp +++ b/game/network/rail.cpp @@ -69,16 +69,16 @@ RailLinks::addLinksBetween(glm::vec3 start, glm::vec3 end) float dir2 = pi + findDir(*node2ins.first); if (const auto radii = find_arcs_radius(flatStart, dir, flatEnd, dir2); radii.first < radii.second) { const auto radius {radii.first}; - const auto c1 = start + glm::vec3 {std::sin(dir + half_pi), 0, std::cos(dir + half_pi)} * radius; - const auto c2 = end + glm::vec3 {std::sin(dir2 + half_pi), 0, std::cos(dir2 + half_pi)} * radius; + const auto c1 = start + !sincosf(dir + half_pi) * radius; + const auto c2 = end + !sincosf(dir2 + half_pi) * radius; const auto mid = (c1 + c2) / 2.F; addLink(start, mid, !c1); return addLink(end, mid, !c2); } else { const auto radius {radii.second}; - const auto c1 = start + glm::vec3 {std::sin(dir - half_pi), 0, std::cos(dir - half_pi)} * radius; - const auto c2 = end + glm::vec3 {std::sin(dir2 - half_pi), 0, std::cos(dir2 - half_pi)} * radius; + const auto c1 = start + !sincosf(dir - half_pi) * radius; + const auto c2 = end + !sincosf(dir2 - half_pi) * radius; const auto mid = (c1 + c2) / 2.F; addLink(mid, start, !(c1)); return addLink(mid, end, !c2); @@ -206,8 +206,7 @@ RailLinkCurve::positionAt(float dist, unsigned char start) const const auto es {std::make_pair(ends[start].first.get(), ends[1 - start].first.get())}; const auto as {std::make_pair(arc[start], arc[1 - start])}; const auto ang {as.first + ((as.second - as.first) * frac)}; - const auto angArc {ang - half_pi}; - const auto relPos {glm::vec3 {std::cos(angArc), 0, -std::sin(angArc)} * radius}; + const auto relPos {!sincosf(ang) * radius}; const auto relClimb {RAIL_HEIGHT + glm::vec3 {0, -centreBase.y + es.first->pos.y + ((es.second->pos.y - es.first->pos.y) * frac), 0}}; const auto pitch {vector_pitch({0, (es.first->pos.y - es.second->pos.y) / length, 0})}; -- cgit v1.2.3