From c073618d9773216ab4a2dcd7944589f38b1df751 Mon Sep 17 00:00:00 2001
From: Arne Dußin
Date: Wed, 16 Dec 2020 18:01:25 +0100
Subject: Add new dimension indicator

---
 src/dimension_indicator.rs | 128 ---------------------------------------------
 1 file changed, 128 deletions(-)
 delete mode 100644 src/dimension_indicator.rs

(limited to 'src/dimension_indicator.rs')

diff --git a/src/dimension_indicator.rs b/src/dimension_indicator.rs
deleted file mode 100644
index cc12f0b..0000000
--- a/src/dimension_indicator.rs
+++ /dev/null
@@ -1,128 +0,0 @@
-use crate::math::Vec2;
-use crate::transform::Transform;
-use raylib::drawing::RaylibDraw;
-use raylib::ffi::Color;
-
-pub struct DimensionIndicator {
-    /// The lines that are used to draw the Dimension Indicator. For a rectangle for instance these
-    /// would be two. One for width and one for height.
-    length_lines: Vec<(Vec2<f64>, Vec2<f64>)>,
-}
-
-impl DimensionIndicator {
-    #[allow(clippy::new_without_default)]
-    pub fn new() -> Self {
-        Self {
-            length_lines: Vec::new(),
-        }
-    }
-
-    pub fn from_corner_points(corner_points: &[Vec2<f64>]) -> Self {
-        let mut this = Self::new();
-        this.update_dimensions(corner_points);
-
-        this
-    }
-
-    pub fn clear_dimensions(&mut self) {
-        self.length_lines.clear();
-    }
-
-    /// Update the dimensions by analysing a given set of points and adjusting the internal
-    /// (measured) dimensions.
-    pub fn update_dimensions(&mut self, corner_points: &[Vec2<f64>]) {
-        if corner_points.len() < 2 {
-            warn!("Cannot discern dimensions when not at least two points are given. The dimensions were not updated.");
-            return;
-        }
-
-        // Discern the bounding box for the given corner points.
-        let mut min = corner_points[0];
-        let mut max = corner_points[0];
-        for point in corner_points.iter().skip(1) {
-            if point.x < min.x {
-                min.x = point.x;
-            }
-            if point.x > max.x {
-                max.x = point.x;
-            }
-
-            if point.y < min.y {
-                min.y = point.y;
-            }
-            if point.y > max.y {
-                max.y = point.y;
-            }
-        }
-
-        // For now, only use the width and height vectors.
-        // TODO: Change to a more sophisticated approach.
-        self.length_lines.clear();
-        // Horizontal dimensions, left to right.
-        self.length_lines
-            .push((Vec2::new(min.x, max.y), Vec2::new(max.x, max.y)));
-        // Vertical dimensions, bottom to top.
-        self.length_lines
-            .push((Vec2::new(max.x, max.y), Vec2::new(max.x, min.y)));
-    }
-
-    pub fn draw(&self, rld: &mut impl RaylibDraw, transform: &Transform) {
-        // Draw all the dimension lines.
-        for (start, end) in &self.length_lines {
-            // Don't draw anything if the length is zero.
-            if start == end {
-                continue;
-            }
-
-            /* Get the vector that is perpendicular and points right/down from the line, assuming
-             * the lines prefer left as start over right and bottom over top.
-             */
-            let line_normal = {
-                // Start with the direction of the line vector.
-                let dir = *start - *end;
-                // Calculate perpendicular vec and normalise.
-                dir.rotated_90_clockwise() / dir.length()
-            };
-
-            // To not have the line directly in the rect, move start and end outside a bit.
-            let start_px = transform.point_m_to_px(start) + line_normal * 10.;
-            let end_px = transform.point_m_to_px(end) + line_normal * 10.;
-
-            /* Draw the indicator line, with stubs at both ends. */
-            let line_colour = Color {
-                r: 200,
-                g: 200,
-                b: 200,
-                a: 255,
-            };
-            // First the two stubs.
-            rld.draw_line_ex(
-                start_px - line_normal * 5.,
-                start_px + line_normal * 5.,
-                2.,
-                line_colour,
-            );
-            rld.draw_line_ex(
-                end_px - line_normal * 5.,
-                end_px + line_normal * 5.,
-                2.,
-                line_colour,
-            );
-            // Then the actual indicator line.
-            rld.draw_line_ex(start_px, end_px, 2., line_colour);
-
-            /* Draw the indicator text showing how long this line is in meters.
-             * It should be placed in the middle of the line, but not into the line directly, so it
-             * will be moved out by the normal.
-             */
-            let text_pos = transform.point_m_to_px(&((*end + *start) / 2.)) + line_normal * 20.;
-            rld.draw_text(
-                &format!("{}m", &(*end - *start).length()),
-                text_pos.x as i32,
-                text_pos.y as i32,
-                20,
-                line_colour,
-            );
-        }
-    }
-}
-- 
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