88 lines
1.9 KiB
Swift
88 lines
1.9 KiB
Swift
// Copyright 2020 Tokamak contributors
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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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//
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// Created by Carson Katri on 7/11/21.
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//
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import Foundation
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public protocol _VectorMath: Animatable {}
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public extension _VectorMath {
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@inlinable
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var magnitude: Double {
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animatableData.magnitudeSquared.squareRoot()
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}
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@inlinable
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mutating func negate() {
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animatableData = .zero - animatableData
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}
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@inlinable
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static prefix func - (operand: Self) -> Self {
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var result = operand
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result.negate()
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return result
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}
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@inlinable
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static func += (lhs: inout Self, rhs: Self) {
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lhs.animatableData += rhs.animatableData
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}
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@inlinable
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static func + (lhs: Self, rhs: Self) -> Self {
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var result = lhs
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result += rhs
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return result
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}
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@inlinable
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static func -= (lhs: inout Self, rhs: Self) {
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lhs.animatableData -= rhs.animatableData
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}
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@inlinable
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static func - (lhs: Self, rhs: Self) -> Self {
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var result = lhs
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result -= rhs
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return result
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}
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@inlinable
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static func *= (lhs: inout Self, rhs: Double) {
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lhs.animatableData.scale(by: rhs)
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}
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@inlinable
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static func * (lhs: Self, rhs: Double) -> Self {
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var result = lhs
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result *= rhs
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return result
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}
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@inlinable
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static func /= (lhs: inout Self, rhs: Double) {
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lhs *= 1 / rhs
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}
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@inlinable
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static func / (lhs: Self, rhs: Double) -> Self {
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var result = lhs
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result /= rhs
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return result
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}
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}
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