54 lines
1.1 KiB
Go
54 lines
1.1 KiB
Go
package vec3
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import (
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"strconv"
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"github.com/francoispqt/gojay"
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)
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type Vec3 struct {
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X float32 `json:"x"`
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Y float32 `json:"y"`
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Z float32 `json:"z"`
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}
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func (v *Vec3) MarshalJSONObject(enc *gojay.Encoder) {
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enc.FloatKey("x", float64(v.X))
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enc.FloatKey("y", float64(v.Y))
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enc.FloatKey("z", float64(v.Z))
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}
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func (v *Vec3) IsNil() bool {
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return v == nil
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}
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func HandRolled(vs []Vec3) ([]byte, error) {
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buf := []byte("[")
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for i, v := range vs {
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if i > 0 {
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buf = append(buf, []byte(`,{"x":`)...)
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} else {
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buf = append(buf, []byte(`{"x":`)...)
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}
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buf = strconv.AppendFloat(buf, float64(v.X), 'f', -1, 32)
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buf = append(buf, []byte(`,"y":`)...)
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buf = strconv.AppendFloat(buf, float64(v.Y), 'f', -1, 32)
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buf = append(buf, []byte(`,"z":`)...)
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buf = strconv.AppendFloat(buf, float64(v.Z), 'f', -1, 32)
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buf = append(buf, []byte("}")...)
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}
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buf = append(buf, ']')
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return buf, nil
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}
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type Vec3Slice []*Vec3
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func (vs *Vec3Slice) MarshalJSONArray(enc *gojay.Encoder) {
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for _, e := range *vs {
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enc.AddObject(e)
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}
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}
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func (vs Vec3Slice) IsNil() bool {
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return vs == nil
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}
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