refactor(default): glsl cleaning (1/2)

default/inc_map.glsl

@@ -6,7 +6,7 @@ vec2 project_4p(vec2 uv, vec2 p1, vec2 p2, vec2 p3, vec2 p4) {
     float k2 = (p3.y - p1.y) / (p2.y - p3.y);
     float a = (p4.x - p3.x + k1 * p3.x - k1 * p2.x) / (p1.x - p3.x - k2 * p3.x + k2 * p2.x);
     float b = k1 + a * k2;
-    float c = 1 - a - b;
+    float c = 1. - a - b;
     // https://math.stackexchange.com/questions/296794/finding-the-transform-matrix-from-4-projected-points-with-javascript/339033#339033
     mat3 projection_a = mat3(
             a * p1.x, a * p1.y, a,
@@ -15,16 +15,16 @@ vec2 project_4p(vec2 uv, vec2 p1, vec2 p2, vec2 p3, vec2 p4) {
         );
     mat3 projection_a_prime = inverse(projection_a);
     mat3 projection_b = mat3(
-            0, 0, -1,
-            1, 0, 1,
-            0, 1, 1
+            0., 0., -1.,
+            1., 0., 1.,
+            0., 1., 1.
         );
-    vec3 tmp = projection_b * projection_a_prime * vec3(uv, 1);
+    vec3 tmp = projection_b * projection_a_prime * vec3(uv, 1.);
     return tmp.xy / tmp.z;
 }
 
 float base_mask(vec2 uv) {
-    return step(0, uv.x) * step(-1, -uv.x) * step(0, uv.y) * step(-1, -uv.y);
+    return step(0., uv.x) * step(-1., -uv.x) * step(0., uv.y) * step(-1., -uv.y);
 }
 
 #endif