#ifndef USEFUL_VISUAL_H #define USEFUL_VISUAL_H #include "useful.h" /** * Rounds a number to the nearest multiple of another number. */ float round_to(float val, float align); /** * Linearly interpolates between two numbers, without bounds checking. */ float lerp(float min, float max, float t); float unlerp(float min, float max, float val); /** * Linearly interpolates between two numbers, with bounds checking. */ float lerp_bounded(float min, float max, float t); float unlerp_bounded(float min, float max, float val); /** * Linearly nterpolates between two colors, with bounds checking, accounting for gamma. * arguments: * - min_color (Vector3f) -- xyz maps to rgb, components are usually in the range [0.0f, 1.0f] but can go beyond to account for super-bright or super-dark colors * - max_Color (Vector3f) -- same as minColor * - t (float) -- how far to interpolate between the colors * - gamma (float = 2.0f) -- used for color correction, helps avoid ugly dark colors when interpolating b/t bright colors */ Vector3f color_lerp(Vector3f min_color, Vector3f max_color, float t, float gamma = 2.0f); #endif // USEFUL_VISUAL_H