Linearly interpolate between two vectors.
Progress in [0, 1]; 0 returns a, 1 returns b.
a
b
const mid = vec2Lerp(vec2(0, 0), vec2(100, 200), 0.5); // { x: 50, y: 100 } Copy
const mid = vec2Lerp(vec2(0, 0), vec2(100, 200), 0.5); // { x: 50, y: 100 }
Linearly interpolate between two vectors.