You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
45 lines
1.3 KiB
45 lines
1.3 KiB
#version 450
|
|
|
|
// This file contains the raw math performed by the matrices in vert.vert
|
|
// Matrices are still used for rotation, though.
|
|
|
|
layout(std430, set = 0, binding = 0) buffer positions_buffer {
|
|
mat2x4 posnrm[];
|
|
} pos;
|
|
|
|
layout(push_constant, std430) uniform pc {
|
|
layout(offset=0) mat4 data;
|
|
layout(offset=64) vec4 offst;
|
|
};
|
|
|
|
layout (location = 0) out vec4 normal;
|
|
layout (location = 1) out vec4 pos_pre;
|
|
layout (location = 2) out vec4 pos_post;
|
|
|
|
const float PI = 3.14159;
|
|
const float TAU = PI*2.0;
|
|
|
|
void main() {
|
|
normal = pos.posnrm[gl_VertexIndex][1];
|
|
pos_pre = pos.posnrm[gl_VertexIndex][0];
|
|
float zFar = 100.0;
|
|
float zNear = 0.1;
|
|
vec3 cam_orig = offst.xyz;
|
|
vec2 cam_rot = vec2(data[3].w, offst.w);
|
|
gl_Position = pos.posnrm[gl_VertexIndex][0];
|
|
gl_Position.xyz += cam_orig;
|
|
pos_post = gl_Position;
|
|
mat2 xz_rot;
|
|
xz_rot[0] = vec2(cos(cam_rot.y), -sin(cam_rot.y));
|
|
xz_rot[1] = vec2(sin(cam_rot.y), cos(cam_rot.y));
|
|
gl_Position.xz *= inverse(xz_rot);
|
|
mat2 yz_rot;
|
|
yz_rot[0] = vec2(cos(cam_rot.x), -sin(cam_rot.x));
|
|
yz_rot[1] = vec2(sin(cam_rot.x), cos(cam_rot.x));
|
|
gl_Position.yz *= inverse(yz_rot);
|
|
gl_Position.x *= (1080.0/1920.0);
|
|
gl_Position.w = (gl_Position.z*sin(140.0/360.0*TAU));
|
|
gl_Position.z -= zNear;
|
|
gl_Position.z /= zFar;
|
|
}
|