veloren/assets/voxygen/shaders/ui-vert.glsl
Monty Marz 93d7c67cdc Hack to allow minimap rotation.
Currently it just always rotates towards the camera, but it wouldn't be
hard to create a config option that swaps out the rotation of the
indicator and the map.
2020-02-06 17:34:32 +00:00

52 lines
1.5 KiB
GLSL

#version 330 core
#include <globals.glsl>
in vec2 v_pos;
in vec2 v_uv;
in vec2 v_center;
in vec4 v_color;
in uint v_mode;
layout (std140)
uniform u_locals {
vec4 w_pos;
};
uniform sampler2D u_tex;
out vec2 f_uv;
flat out uint f_mode;
out vec4 f_color;
void main() {
f_color = v_color;
if (w_pos.w == 1.0) {
f_uv = v_uv;
// Fixed scale In-game element
vec4 projected_pos = proj_mat * view_mat * vec4(w_pos.xyz, 1.0);
gl_Position = vec4(projected_pos.xy / projected_pos.w + v_pos, 0.0, 1.0);
} else if (v_mode == uint(3)) {
// HACK: North facing source rectangle.
vec2 look_at_dir = normalize(vec2(-view_mat[0][2], -view_mat[1][2]));
mat2 look_at = mat2(look_at_dir.y, look_at_dir.x, -look_at_dir.x, look_at_dir.y);
f_uv = v_center + look_at * (v_uv - v_center);
gl_Position = vec4(v_pos, 0.0, 1.0);
} else if (v_mode == uint(5)) {
// HACK: North facing target rectangle.
f_uv = v_uv;
float aspect_ratio = screen_res.x / screen_res.y;
vec2 look_at_dir = normalize(vec2(-view_mat[0][2], -view_mat[1][2]));
mat2 look_at = mat2(look_at_dir.y, -look_at_dir.x, look_at_dir.x, look_at_dir.y);
vec2 v_len = v_pos - v_center;
vec2 v_proj = look_at * vec2(v_len.x, v_len.y / aspect_ratio);
gl_Position = vec4(v_center + vec2(v_proj.x, v_proj.y * aspect_ratio), 0.0, 1.0);
} else {
// Interface element
f_uv = v_uv;
gl_Position = vec4(v_pos, 0.0, 1.0);
}
f_mode = v_mode;
}