87 lines
1.9 KiB
GDScript
87 lines
1.9 KiB
GDScript
extends Reference
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class_name SummerDayMatrix4
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var values: Array
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func _init(initial_values: Array = [
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1.0, 0.0, 0.0, 0.0,
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0.0, 1.0, 0.0, 0.0,
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0.0, 0.0, 1.0, 0.0,
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0.0, 0.0, 0.0, 1.0,
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]):
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if initial_values.size() != 16:
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push_error(
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"Instance: " + str(self) + " \"initial_values.size() != 16\""
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)
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var misplaced_type_found = false
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for i in initial_values:
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if !(i is float):
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misplaced_type_found = true
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if misplaced_type_found:
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push_error(
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"Instance: " + str(self)
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+ " \"initial_values\" contains non-float values!"
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)
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values = initial_values
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static func from_Basis(from: Basis) -> SummerDayMatrix4:
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var Self = load("res://addons/summer_day/utilities/matrix_4.gd")
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return Self.new([
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from.x.x, from.y.x, 0.0, from.z.x,
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from.x.y, from.y.y, 0.0, from.z.y,
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0.0, 0.0, 0.0, 0.0, # <-- Change to 0.0, 0.0, 1.0, 0.0,
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from.x.z, from.y.z, 0.0, from.z.z,
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])
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static func from_Transform(from: Transform) -> SummerDayMatrix4:
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var Self = load("res://addons/summer_day/utilities/matrix_4.gd")
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return Self.new([
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from.basis.x.x, from.basis.x.y, from.basis.x.z, from.origin.x,
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from.basis.y.x, from.basis.y.y, from.basis.y.z, from.origin.y,
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from.basis.z.x, from.basis.z.y, from.basis.z.z, from.origin.z,
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0.0, 0.0, 0.0, 1.0
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])
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static func mult(
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left: SummerDayMatrix4, right: SummerDayMatrix4
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) -> SummerDayMatrix4:
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var Self = load("res://addons/summer_day/utilities/matrix_4.gd")
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var result = []
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for y in range(4):
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for x in range(4):
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var sum = 0.0
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for i in range(4):
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sum += left.get_value(x, i) * right.get_value(i, y)
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result.append(sum)
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return Self.new(result)
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# Get value per coordinates.
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func get_value(x: int, y: int) -> float:
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return values[y * 4 + x]
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func get_values_as_colors() -> Array:
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var list = []
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for y in range(4):
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list.append(
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Color(
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get_value(0, y),
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get_value(1, y),
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get_value(2, y),
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get_value(3, y)
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)
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)
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return list
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func print():
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print(values)
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