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mirror of https://github.com/DigvijaysinhGohil/Godot-Shader-Lib.git synced 2025-09-21 04:45:57 +08:00

Vector Transform Node revamped

This commit is contained in:
Digvijaysinh Gohil
2024-09-30 18:30:06 +05:30
parent c1c786f345
commit 51ee380503
3 changed files with 54 additions and 128 deletions

View File

@ -32,11 +32,11 @@ func _get_output_port_type(port: int) -> PortType:
return PORT_TYPE_VECTOR_3D
func _get_property_count() -> int:
return 2
return 3
func _get_property_default_index(index: int) -> int:
match index:
0:
0, 1:
return 0
_:
return 1
@ -44,24 +44,29 @@ func _get_property_default_index(index: int) -> int:
func _get_property_name(index: int) -> String:
match index:
0:
return "Vector Type"
1:
return "From"
_:
return "To"
func _get_property_options(index: int) -> PackedStringArray:
return ["Local", "World", "View", "Screen", "Tangent"]
match index:
0:
return ["Positional", "Directional"]
_:
return ["Local", "World", "View", "Clip", "Tangent"]
func _is_available(mode: Shader.Mode, type: VisualShader.Type) -> bool:
return mode == Shader.MODE_SPATIAL
func _get_global_code(mode: Shader.Mode) -> String:
return "#include \"res://addons/ShaderLib_%s/Maths/Maths.gdshaderinc\"" % [version]
func _get_code(input_vars: Array[String], output_vars: Array[String], mode: Shader.Mode, type: VisualShader.Type) -> String:
var code: String
var from_coord_space_index: int = get_option_index(0)
var to_coord_space_index: int = get_option_index(1)
var vector_type: int = get_option_index(0)
var from_coord_space_index: int = get_option_index(1)
var to_coord_space_index: int = get_option_index(2)
var input_vector: String = input_vars[0] if input_vars[0] else "vec3(0.0, 0.0, 0.0)"
var w_component: String = "1.0" if vector_type == 0 else "0.0"
match from_coord_space_index:
0:
@ -69,59 +74,79 @@ func _get_code(input_vars: Array[String], output_vars: Array[String], mode: Shad
0:
code = "%s = %s;" % [output_vars[0], input_vector]
1:
code = "%s = vector_transform_local_to_world(MODEL_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (MODEL_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
2:
code = "%s = vector_transform_local_to_view(MODEL_MATRIX, VIEW_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (VIEW_MATRIX * MODEL_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
3:
code = "%s = vector_transform_local_to_screen(MODEL_MATRIX, VIEW_MATRIX, PROJECTION_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (PROJECTION_MATRIX * VIEW_MATRIX * MODEL_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
4:
code = "%s = vector_transform_local_to_tangent(NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code = """
vec3 normal = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz;
mat4 local_to_tangent_mat = mat4(vec4(TANGENT, 1.0), vec4(BINORMAL, 1.0), vec4(normal, 1.0), vec4(0.0, 0.0, 0.0, 1.0));
"""
code += "%s = (local_to_tangent_mat * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
1:
match to_coord_space_index:
0:
code = "%s = vector_transform_world_to_local(MODEL_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (inverse(MODEL_MATRIX) * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
1:
code = "%s = %s;" % [output_vars[0], input_vector]
2:
code = "%s = vector_transform_world_to_view(VIEW_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (VIEW_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
3:
code = "%s = vector_transform_world_to_screen(VIEW_MATRIX, PROJECTION_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s =(PROJECTION_MATRIX * VIEW_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
4:
code = "%s = vector_transform_world_to_tangent(MODEL_MATRIX, NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code = """
vec3 normal = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz;
mat4 local_to_tangent_mat = mat4(vec4(TANGENT, 1.0), vec4(BINORMAL, 1.0), vec4(normal, 1.0), vec4(0.0, 0.0, 0.0, 1.0));
"""
code += "%s = (local_to_tangent_mat * inverse(MODEL_MATRIX) * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
2:
match to_coord_space_index:
0:
code = "%s = vector_transform_view_to_local(INV_VIEW_MATRIX, MODEL_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
1:
code = "%s = vector_transform_view_to_world(INV_VIEW_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (INV_VIEW_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
2:
code = "%s = %s;" % [output_vars[0], input_vector]
3:
code = "%s = vector_transform_view_to_screen(PROJECTION_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (PROJECTION_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
4:
code = "%s = vector_transform_view_to_tangent(INV_VIEW_MATRIX, MODEL_MATRIX, NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code = """
vec3 normal = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz;
mat4 local_to_tangent_mat = mat4(vec4(TANGENT, 1.0), vec4(BINORMAL, 1.0), vec4(normal, 1.0), vec4(0.0, 0.0, 0.0, 1.0));
"""
code += "%s = (local_to_tangent_mat * inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
3:
match to_coord_space_index:
0:
code = "%s = vector_transform_screen_to_local(INV_PROJECTION_MATRIX, INV_VIEW_MATRIX, MODEL_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * INV_PROJECTION_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
1:
code = "%s = vector_transform_screen_to_world(INV_PROJECTION_MATRIX, INV_VIEW_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (INV_VIEW_MATRIX * INV_PROJECTION_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
2:
code = "%s = vector_transform_screen_to_view(INV_PROJECTION_MATRIX, %s);" % [output_vars[0], input_vector]
code = "%s = (INV_PROJECTION_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
3:
code = "%s = %s;" % [output_vars[0], input_vector]
4:
code = "%s = vector_transform_screen_to_tangent(INV_PROJECTION_MATRIX, INV_VIEW_MATRIX, MODEL_MATRIX, NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code = """
vec3 normal = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz;
mat4 local_to_tangent_mat = mat4(vec4(TANGENT, 1.0), vec4(BINORMAL, 1.0), vec4(normal, 1.0), vec4(0.0, 0.0, 0.0, 1.0));
"""
code += "%s = (local_to_tangent_mat * inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * INV_PROJECTION_MATRIX * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
4:
code = """
vec3 normal = (inverse(MODEL_MATRIX) * INV_VIEW_MATRIX * vec4(NORMAL, 0.0)).xyz;
mat4 tangent_to_local_mat = inverse(mat4(vec4(TANGENT, 1.0), vec4(BINORMAL, 1.0), vec4(normal, 1.0), vec4(0.0, 0.0, 0.0, 1.0)));
"""
match to_coord_space_index:
0:
code = "%s = vector_transform_tangent_to_local(NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code += "%s = (tangent_to_local_mat * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
1:
code = "%s = vector_transform_tangent_to_world(MODEL_MATRIX, NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code += "%s = (MODEL_MATRIX * tangent_to_local_mat * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
2:
code = "%s = vector_transform_tangent_to_view(MODEL_MATRIX, VIEW_MATRIX, NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code += "%s = (VIEW_MATRIX * MODEL_MATRIX * tangent_to_local_mat * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
3:
code = "%s = vector_transform_tangent_to_screen(MODEL_MATRIX, VIEW_MATRIX, PROJECTION_MATRIX, NORMAL, BINORMAL, TANGENT, %s);" % [output_vars[0], input_vector]
code += "%s = (PROJECTION_MATRIX * VIEW_MATRIX * MODEL_MATRIX * tangent_to_local_mat * vec4(%s, %s)).xyz;" % [output_vars[0], input_vector, w_component]
4:
code = "%s = %s;" % [output_vars[0], input_vector]