space-crush/space-crush-app/resources/shader/ship/tail_render_geom.glsl

#version 450 core

#pragma include ./tail_render_shared.glsl
#pragma include ../misc/camera.glsl

in VertexData vertexData[];

layout (points) in;
layout (line_strip, max_vertices = 6) out;

out FragmentData fragmentData;

void main() {
    mat4 m = uCamera.projection * uCamera.view;

    VertexData d = vertexData[0];
    fragmentData.color = vec4(d.color, 1.0);

    gl_Position = m * vec4(d.tail[0], 0.0, 1.0);
    fragmentData.color = vec4(1.0, 0.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = m * vec4(d.tail[1], 0.0, 1.0);
    fragmentData.color = vec4(1.0, 1.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = m * vec4(d.tail[2], 0.0, 1.0);
    fragmentData.color = vec4(0.0, 1.0, 0.0, 1.0);
    EmitVertex();

    gl_Position = m * vec4(d.tail[3], 0.0, 1.0);
    fragmentData.color = vec4(0.0, 1.0, 1.0, 1.0);
    EmitVertex();

    gl_Position = m * vec4(d.tail[4], 0.0, 1.0);
    fragmentData.color = vec4(0.0, 0.0, 1.0, 1.0);
    EmitVertex();

    EndPrimitive();
}