simplify template

main/shaders/main.frag

@@ -1,17 +0,0 @@
-#version 440
-
-#define PI 3.14159
-
-in vec4 pos;
-in vec4 pos4;
-in vec4 pos3;
-
-out vec4 color;
-
-void main() {
-    float light = -pos3.y / 10 + .5;
-
-    vec3 col = vec3(1);
-
-    color = vec4(col * light, 1);
-}

main/shaders/main.geom

@@ -1,47 +0,0 @@
-#version 440
-
-#define CIRCLE_RES 64
-#define PI 3.14159
-
-layout(points) in;
-layout(line_strip, max_vertices=CIRCLE_RES) out;
-
-layout(binding=1) uniform Matrices {
-    mat4 proj;
-    mat4 model;
-};
-
-in float xi_[];
-in float eta_[];
-
-out vec4 pos;
-out vec4 pos4;
-out vec4 pos3;
-
-void main(){
-    for(int k = 0; k <= CIRCLE_RES; k++) {
-        vec2 xi = vec2(xi_[0], 4 * PI * k / (CIRCLE_RES - 1));
-        float eta = eta_[0];
-
-        // todo parameterize the projected circle so there aren't jagged edges.
-        // should be smooth at <=32 segments, not just 128+
-        float x = cos((xi.y + xi.x) / 2) * sin(eta);
-        float y = sin((xi.y + xi.x) / 2) * sin(eta);
-        float z = cos((xi.y - xi.x) / 2) * cos(eta);
-        float w = sin((xi.y - xi.x) / 2) * cos(eta);
-
-        pos = vec4(x, y, z, w);
-        pos4 = model * pos;
-        pos3 = vec4(pos4.xyz / (1 - pos4.w), 1);
-        gl_Position = proj * pos3;
-
-        if (length(gl_Position) > 4) {
-            EndPrimitive();
-            continue;
-        }
-
-        EmitVertex();
-    }
-
-    EndPrimitive();
-}

main/shaders/main.vert

@@ -1,12 +0,0 @@
-#version 440
-
-layout(location=0) in float xi;
-layout(location=1) in float eta;
-
-out float xi_;
-out float eta_;
-
-void main(){
-    xi_ = xi;
-    eta_ = eta;
-}