class_name TOD_Math
"""========================================================
° TimeOfDay.
° ======================
°
° Category: Utility.
° -----------------------------------------------------
° Description:
° Math for ToD.
° -----------------------------------------------------
° Copyright:
° J. Cuellar 2021. MIT License.
° See: LICENSE File.
========================================================"""
const RAD_TO_DEG: float = 57.2957795
const DEG_TO_RAD: float = 0.0174533
static func saturate(value: float) -> float:
return 0.0 if value < 0.0 else 1.0 if value > 1.0 else value
static func saturate_vec3(value: Vector3) -> Vector3:
var ret: Vector3
ret.x = 0.0 if value.x < 0.0 else 1.0 if value.x > 1.0 else value.x
ret.y = 0.0 if value.y < 0.0 else 1.0 if value.y > 1.0 else value.y
ret.z = 0.0 if value.z < 0.0 else 1.0 if value.z > 1.0 else value.z
return ret
static func saturate_color(value: Color) -> Color:
var ret: Color
ret.r = 0.0 if value.r < 0.0 else 1.0 if value.r > 1.0 else value.r
ret.g = 0.0 if value.g < 0.0 else 1.0 if value.g > 1.0 else value.g
ret.b = 0.0 if value.b < 0.0 else 1.0 if value.b > 1.0 else value.b
ret.a = 0.0 if value.a < 0.0 else 1.0 if value.a > 1.0 else value.a
return ret
static func rev(val: float) -> float:
return val - int(floor(val / 360.0)) * 360.0
static func lerp_f(from: float, to: float, t: float) -> float:
return (1 - t) * from + t * to
static func plerp_vec3(from: Vector3, to: Vector3, t: float) -> Vector3:
var ret: Vector3
ret.x = (1 - t) * from.x + t * to.x
ret.y = (1 - t) * from.y + t * to.y
ret.z = (1 - t) * from.z + t * to.z
return ret
static func plerp_color(from: Color, to: Color, t: float) -> Color:
var ret: Color
ret.r = (1 - t) * from.r + t * to.r
ret.g = (1 - t) * from.g + t * to.b
ret.b = (1 - t) * from.b + t * to.b
ret.a = (1 - t) * from.a + t * to.a
return ret
static func distance(a: Vector3, b: Vector3) -> float:
var ret: float
var x: float = a.x - b.x
var y: float = a.y - b.y
var z: float = a.z - b.z
ret = x * x + y * y + z * z
return sqrt(ret)
static func to_orbit(theta: float, pi: float, radius: float = 1.0) -> Vector3:
var ret: Vector3
var sinTheta: float = sin(theta)
var cosTheta: float = cos(theta)
var sinPI: float = sin(pi)
var cosPI: float = cos(pi)
ret.x = sinTheta * sinPI
ret.y = cosTheta
ret.z = sinTheta * cosPI
return ret * radius