// MIT License
// 
// Copyright (C) 2018-2023, Tellusim Technologies Inc. https://tellusim.com/
// 
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// 
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.

#version 420 core

/*
 */
#if VERTEX_SHADER
	
	layout(location = 0) in vec4 in_position;
	layout(location = 1) in vec3 in_color;
	
	layout(row_major, binding = 0) uniform CommonParameters {
		mat4 projection;
		mat4 modelview;
		mat4 transform;
	};
	
	layout(location = 0) out vec4 s_color;
	
	/*
	 */
	void main() {
		
		vec4 position;
		position.x = sin(in_position.x) * in_position.y;
		position.y = cos(in_position.x) * in_position.z;
		position.z = 0.0f;
		position.w = 1.0f;
		
		gl_Position = projection * (modelview * (transform * position));
		
		s_color.x = abs(sin(in_color.x * in_color.y)) * in_color.z;
		s_color.y = abs(cos(in_color.x * in_color.y)) * in_color.z;
		s_color.z = 1.0f - in_color.z;
		s_color.w = 1.0f;
	}
	
#elif FRAGMENT_SHADER
	
	layout(location = 0) in vec4 s_color;
	
	layout(location = 0) out vec4 out_color;
	
	/*
	 */
	void main() {
		
		out_color = s_color;
	}
	
#endif