Relintai/pandemonium_engine
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Relintai 2022-06-18 16:14:42 +02:00
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commit 5351a6ff28
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#include "curve_view.h"
#include "../../../nodes/bases/curve_base.h"
#include "core/vector.h"
bool CurveView::get_show_axes() const {
return show_axes;
}
void CurveView::set_show_axes(const bool val) {
show_axes = val;
}
Ref<CurveBase> CurveView::get_curve() {
return curve;
}
void CurveView::set_curve(const Ref<CurveBase> &val) {
curve = val;
update();
}
Vector2 CurveView::transform_point(const Vector2 &p) {
return (Vector2(0.0, 1.0) + Vector2(1.0, -1.0) * p) * get_size();
}
Vector2 CurveView::reverse_transform_point(const Vector2 &p) {
return Vector2(0.0, 1.0) + Vector2(1.0, -1.0) * p / get_size();
}
void CurveView::_draw() {
if (!curve.is_valid()) {
return;
}
// var current_theme : Theme = get_node("/root/MainWindow").theme;
//;
// var bg = current_theme.get_stylebox("panel", "Panel").bg_color;
// var fg = current_theme.get_color("font_color", "Label");
//;
// var axes_color : Color = bg.linear_interpolate(fg, 0.25);
// var curve_color : Color = bg.linear_interpolate(fg, 0.75);
Color axes_color = Color(0.9, 0.9, 0.9, 1);
Color curve_color = Color(1, 1, 1, 1);
if (show_axes) {
for (int i = 0; i < 5; ++i) { //i in range(5)
Vector2 p = transform_point(0.25 * Vector2(i, i));
draw_line(Vector2(p.x, 0), Vector2(p.x, get_size().y - 1), axes_color);
draw_line(Vector2(0, p.y), Vector2(get_size().x - 1, p.y), axes_color);
}
}
Vector<CurveBase::Point> points = curve->get_points();
for (int i = 0; i < points.size() - 1; ++i) { //i in range(points.size() - 1)
Vector2 p1 = points[i].p;
Vector2 p2 = points[i + 1].p;
float d = (p2.x - p1.x) / 3.0;
float yac = p1.y + d * points[i].rs;
float ybc = p2.y - d * points[i + 1].ls;
Vector2 p = transform_point(p1);
int count = max(1, int((transform_point(p2).x - p.x / 5.0)));
for (int tt = 0; tt < count; ++tt) { //tt in range(count)
Variant = (tt + 1.0) / count;
Variant = (1.0 - t);
Variant = omt * omt;
Variant = omt2 * omt;
Variant = t * t;
Variant = t2 * t;
Variant = p1.x + (p2.x - p1.x) * t;
Variant = transform_point(Vector2(x, p1.y * omt3 + yac * omt2 * t * 3.0 + ybc * omt * t2 * 3.0 + p2.y * t3));
draw_line(p, np, curve_color);
p = np;
}
}
}
void CurveView::_on_resize() {
update();
}
CurveView::CurveView() {
show_axes = false;
set_anchors_and_margins_preset(PRESET_WIDE, PRESET_MODE_MINSIZE, 4);
set_mouse_filter(MOUSE_FILTER_IGNORE);
}
CurveView::~CurveView() {
}
void CurveView::_notification(int p_what) {
switch (p_what) {
case NOTIFICATION_POSTINITIALIZE: {
connect("resized", this, "_on_resize");
update();
} break;
case NOTIFICATION_DRAW: {
_draw();
} break;
default: {
} break;
}
}
void CurveView::_bind_methods() {
ClassDB::bind_method(D_METHOD("get_show_axes"), &CurveView::get_show_axes);
ClassDB::bind_method(D_METHOD("set_show_axes", "value"), &CurveView::set_show_axes);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "show_axes"), "set_show_axes", "get_show_axes");
ClassDB::bind_method(D_METHOD("get_curve"), &CurveView::get_curve);
ClassDB::bind_method(D_METHOD("set_curve", "value"), &CurveView::set_curve);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveBase"), "set_curve", "get_curve");
ClassDB::bind_method(D_METHOD("_on_resize"), &CurveView::_on_resize);
ClassDB::bind_method(D_METHOD("set_curve", "val"), &CurveView::set_curve);
ClassDB::bind_method(D_METHOD("transform_point", "p"), &CurveView::transform_point);
ClassDB::bind_method(D_METHOD("reverse_transform_point", "p"), &CurveView::reverse_transform_point);
}