56 lines
1.3 KiB
C++
56 lines
1.3 KiB
C++
/* Copyright (c) 2019-2021, Sascha Willems
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*
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* SPDX-License-Identifier: Apache-2.0
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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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#pragma once
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#include <ktx.h>
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#include <string>
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namespace vkb
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{
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/**
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* @brief Class representing a heightmap loaded from a ktx texture
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*/
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class HeightMap
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{
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public:
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/**
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* @brief Loads in a ktx texture as a heightmap
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* @param filename The ktx file to load
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* @param patchsize The patch size
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*/
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HeightMap(const std::string &filename, const uint32_t patchsize);
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~HeightMap();
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/**
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* @brief Retrieves a value from the heightmap at a specific coordinates
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* @param x The x coordinate
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* @param y The y coordinate
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* @returns A float height value
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*/
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float get_height(const uint32_t x, const uint32_t y);
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private:
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uint16_t *data;
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uint32_t dim;
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uint32_t scale;
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};
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} // namespace vkb
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