declare var _default: "uniform float transitionEnter;\nuniform float transitionExit;\nuniform vec4  transitionScale;\nuniform vec4  transitionBias;\nuniform float transitionSkew;\nuniform float transitionActive;\n\nuniform vec4  moveFrom;\nuniform vec4  moveTo;\n\nfloat ease(float t) {\n  t = clamp(t, 0.0, 1.0);\n  return 1.0 - (2.0 - t) * t;\n}\n\nvec4 getTransitionPosition(vec4 xyzw, inout vec4 stpq) {\n  if (transitionActive < 0.5) return xyzw;\n\n  float enter   = transitionEnter;\n  float exit    = transitionExit;\n  float skew    = transitionSkew;\n  vec4  scale   = transitionScale;\n  vec4  bias    = transitionBias;\n\n  float factor  = 1.0 + skew;\n  float offset  = dot(vec4(1.0), stpq * scale + bias);\n\n  float a1 = ease(enter * factor - offset);\n  float a2 = ease(exit  * factor + offset - skew);\n\n  return xyzw + a1 * moveFrom + a2 * moveTo;\n}";
export default _default;