Split a string with specified delimiter character. http://stackoverflow.com/questions/236129/split-a-string-in-c

theta ∈ [0, π], phi ∈ [0, 2π), rho ∈ [0, ∞)

Force sphere point to be perpendicular to axis

Creates a model entity with mesh, material, and geometry components

Creates a model entity with mesh, material, and geometry components using a specific material

Is the queue empty?

Given a plane through the origin with a normal, returns the corner farthest from the plane.

Convert GLFW key code to ImGuiKey

Helper functions to compute gradients in 1D to 4D and gradients-dot-residual vectors in 2D to 4D.

Initialize debug rendering resources using the new Unity-style pattern

Inspect entity components using the new base_object pattern

Real-Time Collision Detection pg. 180

+eq.w?

* Fills token type and boundaries. */

* Parse JSON string and fill tokens. */

Load an image and extract a single channel to a new single-channel texture channel: 0=R, 1=G, 2=B, 3=A