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#9 issue fix

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Digvijaysinh Gohil
2024-08-06 16:00:49 +05:30
parent 56eaa9e7b1
commit 21213d657e
1 changed files with 51 additions and 52 deletions
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103
addons/ShaderLib/UV/UV.gdshaderinc
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@ -2,84 +2,83 @@ vec2 flipbook_uv(vec2 uv, int rows, int columns, float anim_speed){
int start_frame = 1; int start_frame = 1;
int end_frame = rows * columns; int end_frame = rows * columns;
start_frame += int(fract(TIME * anim_speed) * float(end_frame)); start_frame += int(fract(TIME * anim_speed) * float(end_frame));
float _frame = float(clamp(start_frame, 0, end_frame)); float frame = float(clamp(start_frame, 0, end_frame));
vec2 _off_per_frame = vec2((1.0 / float(columns)), (1.0 / float(rows))); vec2 off_per_frame = vec2((1.0 / float(columns)), (1.0 / float(rows)));
vec2 _sprite_size = vec2(uv.x / float(columns), uv.y / float(rows)); vec2 sprite_size = vec2(uv.x / float(columns), uv.y / float(rows));
vec2 _current_sprite = vec2(0.0, 1.0 - _off_per_frame.y); vec2 current_sprite = vec2(0.0, 1.0 - off_per_frame.y);
_current_sprite.x += _frame * _off_per_frame.x; current_sprite.x += frame * off_per_frame.x;
float _row_index; float row_index;
float _mod = modf(_frame / float(columns), _row_index); float mod = modf(frame / float(columns), row_index);
_current_sprite.y -= 1.0 - (_row_index * _off_per_frame.y); current_sprite.y -= 1.0 - (row_index * off_per_frame.y);
_current_sprite.x -= _row_index * float(columns) * _off_per_frame.x; current_sprite.x -= row_index * float(columns) * off_per_frame.x;
vec2 _sprite_uv = (_sprite_size + _current_sprite); vec2 sprite_uv = (sprite_size + current_sprite);
return _sprite_uv; return sprite_uv;
} }
vec2 parallax_mapping_uv_offset_1_step(float height, float amplitude, vec3 view_dir_tangent) vec2 parallax_mapping_uv_offset_1_step(float height, float amplitude, vec3 view_dir_tangent) {
{
height = height * amplitude - amplitude / 2.0; height = height * amplitude - amplitude / 2.0;
vec3 _vector = view_dir_tangent; vec3 vector = view_dir_tangent;
_vector.y += 0.42; vector.y += 0.42;
return height * (_vector.xz / _vector.y); return height * (vector.xz / vector.y);
} }
vec2 parallax_mapping_uv(sampler2D height, float amplitude, vec2 uv, vec3 tangent, vec3 normal, vec3 binormal, vec3 view) vec2 parallax_mapping_uv(sampler2D height, float amplitude, vec2 uv, vec3 tangent, vec3 normal, vec3 binormal, vec3 view)
{ {
float depth = amplitude / 10.0; float depth = amplitude / 10.0;
mat3 _tangent_matrix = mat3(tangent, normal, -binormal); // VIEW TO TANGENT SPACE mat3 tangent_matrix = mat3(tangent, normal, -binormal); // VIEW TO TANGENT SPACE
vec3 _view_tangent = transpose(_tangent_matrix) * view; vec3 view_tangent = transpose(tangent_matrix) * view;
float _parallaxHeight = texture(height, uv).r; float parallaxHeight = texture(height, uv).r;
vec2 _parallaxOffset = parallax_mapping_uv_offset_1_step(_parallaxHeight, depth, _view_tangent); vec2 parallaxOffset = parallax_mapping_uv_offset_1_step(parallaxHeight, depth, view_tangent);
return _parallaxOffset + uv; return parallaxOffset + uv;
} }
vec2 radial_shear_uv(vec2 uv, vec2 center, float strength, vec2 offset){ vec2 radial_shear_uv(vec2 uv, vec2 center, float strength, vec2 offset){
vec2 _delta = uv - center; vec2 delta = uv - center;
float _delta2 = dot(_delta.xy, _delta.xy); float delta2 = dot(delta.xy, delta.xy);
vec2 _delta_offset = vec2(_delta2 * strength); vec2 delta_offset = vec2(delta2 * strength);
return uv + vec2(_delta.y, -_delta.x) * _delta_offset + offset; return uv + vec2(delta.y, -delta.x) * delta_offset + offset;
} }
vec2 rotate_uv(vec2 uv, vec2 center, float rotation, bool use_degrees){ vec2 rotate_uv(vec2 uv, vec2 center, float rotation, bool use_degrees){
float _angle = rotation; float angle = rotation;
if(use_degrees){ if(use_degrees){
_angle = rotation * (3.1415926/180.0); angle = rotation * (3.1415926/180.0);
} }
mat2 _rotation = mat2( mat2 rot = mat2(
vec2(cos(_angle), -sin(_angle)), vec2(cos(angle), -sin(angle)),
vec2(sin(_angle), cos(_angle)) vec2(sin(angle), cos(angle))
); );
vec2 _delta = uv - center; vec2 delta = uv - center;
_delta = _rotation * _delta; delta = rot * delta;
return _delta + center; return delta + center;
} }
vec2 spherize_uv(vec2 uv, vec2 center, float strength, vec2 offset){ vec2 spherize_uv(vec2 uv, vec2 center, float strength, vec2 offset){
vec2 _delta = uv - center; vec2 delta = uv - center;
float _delta2 = dot(_delta.xy, _delta.xy); float delta2 = dot(delta.xy, delta.xy);
float _delta4 = _delta2 * _delta2; float delta4 = delta2 * delta2;
vec2 _delta_offset = vec2(_delta4 * strength); vec2 delta_offset = vec2(delta4 * strength);
return uv + _delta * _delta_offset + offset; return uv + delta * delta_offset + offset;
} }
vec2 swirl_uv(vec2 uv, vec2 center, float strength, vec2 offset){ vec2 swirl_uv(vec2 uv, vec2 center, float strength, vec2 offset){
vec2 _delta = uv - center; vec2 delta = uv - center;
float _angle = strength * max(pow(1. - length(_delta), 3), 0); float angle = strength * max(pow(1. - length(delta), 3), 0);
mat2 _rotation = mat2( mat2 rotation = mat2(
vec2(cos(_angle), -sin(_angle)), vec2(cos(angle), -sin(angle)),
vec2(sin(_angle), cos(_angle)) vec2(sin(angle), cos(angle))
); );
_delta = _rotation * _delta; delta = rotation * delta;
return _delta + center; return delta + center + offset;
} }
vec2 twirl_uv(vec2 uv, vec2 center, float strength, vec2 offset){ vec2 twirl_uv(vec2 uv, vec2 center, float strength, vec2 offset){
vec2 _delta = uv - center; vec2 delta = uv - center;
float _angle = strength * length(_delta); float angle = strength * length(delta);
mat2 _rotation = mat2( mat2 rotation = mat2(
vec2(cos(_angle), -sin(_angle)), vec2(cos(angle), -sin(angle)),
vec2(sin(_angle), cos(_angle)) vec2(sin(angle), cos(angle))
); );
_delta = _rotation * _delta; delta = rotation * delta;
return _delta + center; return delta + center + offset;
} }