lisp-game-jam/modules/math.scm
2024-04-26 14:30:59 -04:00

35 lines
951 B
Scheme

;;; Copyright (C) 2024 David Thompson <dave@spritely.institute>
;;;
;;; Licensed under the Apache License, Version 2.0 (the "License");
;;; you may not use this file except in compliance with the License.
;;; You may obtain a copy of the License at
;;;
;;; http://www.apache.org/licenses/LICENSE-2.0
;;;
;;; Unless required by applicable law or agreed to in writing, software
;;; distributed under the License is distributed on an "AS IS" BASIS,
;;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
;;; See the License for the specific language governing permissions and
;;; limitations under the License.
;;; Commentary:
;;;
;;; Helpful math things.
;;;
;;; Code:
(library (math)
(export random
clamp)
(import (scheme base)
(hoot ffi))
(define-foreign random
"math" "random"
-> f64)
(define (clamp x min max)
(cond ((< x min) min)
((> x max) max)
(else x))))