Merge branch 'master' into mirceakitsune/playermodel_ubot

[xonotic/xonotic-data.pk3dir.git] / qcsrc / menu / anim / easing.qc

diff --git a/qcsrc/menu/anim/easing.qc b/qcsrc/menu/anim/easing.qc
new file mode 100644 (file)
index 0000000..3014fa8
--- /dev/null
+++ b/qcsrc/menu/anim/easing.qc
@@ -0,0 +1,52 @@
+#include "easing.qh"
+
+#include "../menu.qh"
+#include "keyframe.qh"
+
+       entity makeHostedEasing(entity obj, void(entity, float) objSetter, float(float, float, float, float) func, float animDuration, float animStartValue, float animEnd)
+       {
+               entity this = makeEasing(obj, objSetter, func, time, animDuration, animStartValue, animEnd);
+               anim.addAnim(anim, this);
+               return this;
+       }
+
+       entity makeEasing(entity obj, void(entity, float) objSetter, float(float, float, float, float) func, float animStartTime, float animDuration, float animStartValue, float animEnd)
+       {
+               entity this = NEW(Easing);
+               this.configureAnimation(this, obj, objSetter, animStartTime, animDuration, animStartValue, animEnd);
+               this.setMath(this, func);
+               return this;
+       }
+
+       METHOD(Easing, calcValue, float(entity this, float tickTime, float animDuration, float animStart, float animDelta))
+       {
+               return this.math(tickTime, animDuration, animStart, animDelta);
+       }
+
+       METHOD(Easing, setMath, void(entity this, float(float, float, float, float) func))
+       {
+               this.math = func;
+       }
+
+       float easingLinear(float tickTime, float animDuration, float animStart, float animDelta)
+       {
+               return (animDelta * (tickTime / animDuration)) + animStart;
+       }
+
+       float easingQuadIn(float tickTime, float animDuration, float animStart, float animDelta)
+       {
+               float frac = tickTime / animDuration;
+               return (animDelta * frac * frac) + animStart;
+       }
+
+       float easingQuadOut(float tickTime, float animDuration, float animStart, float animDelta)
+       {
+               float frac = tickTime / animDuration;
+               return (-animDelta * frac * (frac - 2)) + animStart;
+       }
+
+       float easingQuadInOut(float tickTime, float animDuration, float animStart, float animDelta)
+       {
+               if (tickTime < (animDuration / 2)) return easingQuadIn(tickTime, (animDuration / 2), animStart, (animDelta / 2));
+               else return easingQuadOut((tickTime - (animDuration / 2)), (animDuration / 2), (animStart + (animDelta / 2)), (animDelta / 2));
+       }