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authorDan Goodliffe <dan@randomdan.homeip.net>2021-03-03 01:25:15 +0000
committerDan Goodliffe <dan@randomdan.homeip.net>2021-03-03 01:25:15 +0000
commit253a0b73f0975d8f14c3a3f2a06675b53c736071 (patch)
tree71cd0bf5604f7dfb07ed7022c1358a8e2aa91f6a /game/network
parentCreate and use a shader program for things with absolute position (diff)
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Simplify a lot of code with sincosf
Diffstat (limited to 'game/network')
-rw-r--r--game/network/rail.cpp11
1 files changed, 5 insertions, 6 deletions
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<RailLinkCurve>(start, mid, !c1);
return addLink<RailLinkCurve>(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<RailLinkCurve>(mid, start, !(c1));
return addLink<RailLinkCurve>(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})};