87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
//
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// VROPropertyAnimation.h
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// ViroRenderer
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//
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// Created by Raj Advani on 12/28/16.
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// Copyright © 2016 Viro Media. All rights reserved.
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//
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#ifndef VROPropertyAnimation_h
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#define VROPropertyAnimation_h
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#include <stdio.h>
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#include <string>
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#include <memory>
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/*
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Animated property values can be of the following types.
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*/
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enum class VROValueType {
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Float,
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Int
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};
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/*
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Encapsulates different types of animation values.
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*/
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class VROAnimationValue {
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public:
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VROValueType type;
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float valueFloat;
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int valueInt;
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};
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/*
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Determines if animation assigns values, or adds/multiplies.
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*/
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enum class VROAnimationOperation {
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Add,
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Multiply,
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Assign
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};
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/*
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Represents a single animated property of a node (e.g. position, scale, rotation).
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*/
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class VROPropertyAnimation {
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public:
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static std::shared_ptr<VROPropertyAnimation> parse(const std::string &name, const std::string &value);
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VROPropertyAnimation(std::string propertyName, VROAnimationValue value, VROAnimationOperation op) :
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_propertyName(propertyName),
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_value(value),
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_op(op) {}
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virtual ~VROPropertyAnimation() {}
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std::string getPropertyName() const { return _propertyName; }
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VROAnimationValue getValue() const { return _value; }
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VROAnimationOperation getOp() const { return _op; }
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float processOp(float input) const {
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switch (_op) {
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case VROAnimationOperation::Assign:
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return _value.valueFloat;
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case VROAnimationOperation::Add:
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return _value.valueFloat + input;
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case VROAnimationOperation::Multiply:
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return _value.valueFloat * input;
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default:
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return _value.valueFloat;
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}
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}
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std::string toString() const;
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private:
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const std::string _propertyName;
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const VROAnimationValue _value;
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const VROAnimationOperation _op;
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};
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#endif /* VROPropertyAnimation_h */
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