#version 330 core
layout (location = 0) in vec3 aPos;
layout (location = 1) in vec3 aColor;

out vec3 ourColor;

uniform float f;
uniform float aspect;
uniform float zFar;
uniform float zNear;
uniform float theta;
uniform vec3 cameraPosition;
uniform vec3 cameraRotation;

void main()
{
/*    mat4 realprojectionMatrix = mat4(
        f / aspect, 0, 0, 0,
        0, f, 0, 0,
        0, 0, (zFar + zNear) / (zNear - zFar), -1,
        0, 0, (2 * zFar * zNear) / (zNear - zFar), 0
    );
*/
    mat4 projectionMatrix = mat4(
        3 / (800.0 / 600.0), 0, 0, 0,
        0, 3, 0, 0,
        0, 0, (10 + 1) / (1 - 10), -1,
        0, 0, (2 * 10 * 1) / (1 - 10), 0
    );

    mat4 cameraRotationMatrix = mat4(
        cos(theta), 0, -sin(theta), 0,
        0, 1, 0, 0,
        sin(theta), 0, cos(theta), 0,
        0, 0, 0, 1
    );

    mat4 cameraPositionMatrix = mat4(
        1, 0, 0, 0,
        0, 1, 0, 0,
        0, 0, 1, 0,
        10 * sin(theta), 0, -10 * cos(theta), 1
    );

    mat4 viewMatrix = cameraRotationMatrix * cameraPositionMatrix;


    vec4 projectedVertex = projectionMatrix * cameraRotationMatrix * cameraPositionMatrix * vec4(aPos, 1.0);
    gl_Position = projectedVertex / projectedVertex.w;
    ourColor = aColor;
}