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Extend Curve to allow for arbitrary domains

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This commit is contained in:
ocean (they/them)
2023-07-01 22:56:23 -04:00
parent c6c464cf9a
commit 6c65213487
16 changed files with 441 additions and 195 deletions
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23
editor/plugins/curve_editor_plugin.h
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@@ -78,14 +78,14 @@ private:
virtual void gui_input(const Ref<InputEvent> &p_event) override;
void _curve_changed();
int get_point_at(Vector2 p_pos) const;
TangentIndex get_tangent_at(Vector2 p_pos) const;
int get_point_at(const Vector2 &p_pos) const;
TangentIndex get_tangent_at(const Vector2 &p_pos) const;
float get_offset_without_collision(int p_current_index, float p_offset, bool p_prioritize_right = true);
void add_point(Vector2 p_pos);
void add_point(const Vector2 &p_pos);
void remove_point(int p_index);
void set_point_position(int p_index, Vector2 p_pos);
void set_point_position(int p_index, const Vector2 &p_pos);
void set_point_tangents(int p_index, float p_left, float p_right);
void set_point_left_tangent(int p_index, float p_tangent);
@@ -94,17 +94,20 @@ private:
void update_view_transform();
void plot_curve_accurate(float p_step, const Color &p_line_color, const Color &p_edge_line_color);
void set_selected_index(int p_index);
void set_selected_tangent_index(TangentIndex p_tangent);
Vector2 get_tangent_view_pos(int p_index, TangentIndex p_tangent) const;
Vector2 get_view_pos(Vector2 p_world_pos) const;
Vector2 get_world_pos(Vector2 p_view_pos) const;
Vector2 get_view_pos(const Vector2 &p_world_pos) const;
Vector2 get_world_pos(const Vector2 &p_view_pos) const;
void _redraw();
private:
const float ASPECT_RATIO = 6.f / 13.f;
const float LINE_WIDTH = 0.5f;
const int STEP_SIZE = 2; // Number of pixels between plot points.
Transform2D _world_to_view;
@@ -136,9 +139,9 @@ private:
};
GrabMode grabbing = GRAB_NONE;
Vector2 initial_grab_pos;
int initial_grab_index;
float initial_grab_left_tangent;
float initial_grab_right_tangent;
int initial_grab_index = -1;
float initial_grab_left_tangent = 0;
float initial_grab_right_tangent = 0;
bool snap_enabled = false;
int snap_count = 10;