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https://github.com/Relintai/pandemonium_engine_easy_charts.git
synced 2024-11-14 10:17:24 +01:00
Correctly calculates tics for numbers between 0 and 1
Also some small fixes to update_function and delete_function. Changed the tic little line to point outside the chart instead of inside so it doesn't overlap with the grid line.
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@ -342,13 +342,14 @@ func update_function(id:String, x:Array, y:Array, param_dic := {}):
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"label":
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y_labels[function] = param_dic[param]
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"color":
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function_colors[functions] = param_dic[param]
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function_colors[function] = param_dic[param]
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x_datas[function] = x
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y_datas[function] = y
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calculate_range(id)
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plot()
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update()
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func delete_function(id:String):
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@ -365,8 +366,10 @@ func delete_function(id:String):
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y_domain[1].remove(function)
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x_domain[0].remove(function)
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x_domain[1].remove(function)
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function_colors.remove(function)
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plot()
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update()
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func generate_identifier():
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@ -469,7 +472,7 @@ func calculate_tics():
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y_margin_min = y_range[0]
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var y_margin_max = y_range[1]
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v_dist = y_decim * pow(10.0, calculate_number_integer_digits(max(abs(y_margin_max), abs(y_margin_min))) - 1)
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v_dist = y_decim * pow(10.0, calculate_position_significant_figure(y_margin_max - y_margin_min) - 1)
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# There are three cases of min/max:
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# For +/+ and -/- we just do the usual and draw tics from min to max
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@ -489,7 +492,7 @@ func calculate_tics():
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x_margin_min = x_range[0]
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var x_margin_max = x_range[1]
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if not show_x_values_as_labels:
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h_dist = x_decim * pow(10.0, calculate_number_integer_digits(max(abs(x_margin_max), abs(x_margin_min))) - 1)
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h_dist = x_decim * pow(10.0, calculate_position_significant_figure(x_margin_max - x_margin_min) - 1)
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if x_margin_min < 0 and x_margin_max >= 0:
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calculate_interval_tics(0, x_margin_min, -h_dist, x_labels) #Negative tics
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@ -509,8 +512,13 @@ func calculate_tics():
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func build_chart():
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#TODO: Still needs improving (for example 0.000001 vS 10 should pick the former)
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OFFSET.x = str(max(abs(y_range[0]), abs(y_range[1]))).length() * font_size
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var longest_y_tic = 0
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for y_tic in y_chors:
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if y_tic.length() > longest_y_tic:
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longest_y_tic = y_tic.length()
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longest_y_tic += 1 #Necesary to show 1 digit numbers correctly until font_size is calculated dinamically
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OFFSET.x = font_size * longest_y_tic
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OFFSET.y = font_size * 2
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SIZE = get_size() - Vector2(OFFSET.x, 0)
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@ -537,8 +545,8 @@ func calculate_coordinates():
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for function in y_labels.size():
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for val in x_datas[function].size():
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var value_x = (x_datas[function][val] - x_margin_min) * x_pass / h_dist
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var value_y = (y_datas[function][val] - y_margin_min) * y_pass / v_dist
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var value_x = (x_datas[function][val] - x_margin_min) * x_pass / h_dist if h_dist else 0
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var value_y = (y_datas[function][val] - y_margin_min) * y_pass / v_dist if v_dist else 0
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point_values[function].append([x_datas[function][val], y_datas[function][val]])
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point_positions[function].append(Vector2(value_x + origin.x, origin.y - value_y))
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@ -551,7 +559,7 @@ func draw_grid():
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# v grid
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draw_line(point, point - Vector2(0, SIZE.y - OFFSET.y), v_lines_color, 0.2, true)
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# ascisse
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draw_line(point - Vector2(0, 5), point, v_lines_color, 1, true)
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draw_line(point + Vector2(0, 5), point, v_lines_color, 1, true)
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draw_string(font, point + Vector2(-const_width/2 * x_chors[p].length(),
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font_size + const_height), x_chors[p], font_color)
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@ -561,7 +569,7 @@ func draw_grid():
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# h grid
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draw_line(point, point + Vector2(SIZE.x - OFFSET.x, 0), h_lines_color, 0.2, true)
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# ordinate
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draw_line(point, point + Vector2(5, 0), h_lines_color, 1, true)
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draw_line(point, point + Vector2(-5, 0), h_lines_color, 1, true)
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draw_string(font, point - Vector2(y_chors[p].length() * const_width +
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font_size, -const_height), y_chors[p], font_color)
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@ -605,13 +613,8 @@ func draw_treshold():
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draw_line(Vector2(treshold_draw.x, 0), Vector2(treshold_draw.x, SIZE.y - OFFSET.y), Color.red, 0.4, true)
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func calculate_number_integer_digits(number):
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var digits = str(number).split(".")[0].length()
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if number < 0: #the '-' char doesn't count as digit
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digits -= 1
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return digits
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func calculate_position_significant_figure(number):
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return floor(log(abs(number))/log(10) + 1) if number else 1
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func calculate_interval_tics(v_from:float, v_to:float, dist:float, chords:Array, include_first := true):
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