48 lines
1.1 KiB
Plaintext
48 lines
1.1 KiB
Plaintext
#version 450
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/* Copyright (c) 2019-2024, 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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struct Particle
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{
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vec4 pos;
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vec4 vel;
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};
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// Binding 0 : Position storage buffer
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layout(std140, binding = 0) buffer Pos
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{
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Particle particles[ ];
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};
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layout (local_size_x_id = 0) in;
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layout (binding = 1) uniform UBO
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{
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float deltaT;
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int particleCount;
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} ubo;
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#define TIME_FACTOR 0.05
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void main()
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{
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int index = int(gl_GlobalInvocationID);
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vec4 position = particles[index].pos;
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vec4 velocity = particles[index].vel;
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position += ubo.deltaT * TIME_FACTOR * velocity;
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particles[index].pos = position;
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} |