mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-09-20 05:12:18 +02:00
46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright 2016 The Ebiten Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build !js
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package ebiten
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import (
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"unsafe"
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"github.com/hajimehoshi/ebiten/internal/endian"
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)
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func floatBytes(xs ...float64) []uint8 {
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bits := make([]uint8, 0, len(xs)*4)
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for _, x := range xs {
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x32 := float32(x)
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n := *(*uint32)(unsafe.Pointer(&x32))
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if endian.IsLittle() {
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bits = append(bits,
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uint8(n),
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uint8(n>>8),
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uint8(n>>16),
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uint8(n>>24))
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} else {
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bits = append(bits,
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uint8(n>>24),
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uint8(n>>16),
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uint8(n>>8),
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uint8(n))
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}
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}
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return bits
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}
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