added dialogue manager and radar
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259
Assets/Scripts/RadarHUD.cs
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259
Assets/Scripts/RadarHUD.cs
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@@ -0,0 +1,259 @@
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using UnityEngine;
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using System.Collections.Generic;
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/// <summary>
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/// Draws a circular radar in the top-left corner of the screen.
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/// Shows enemies (red) and pickups (yellow-green) relative to the player.
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/// Rotates so "up" on the radar = player's forward direction.
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///
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/// Attach to the Player GameObject alongside Player.cs / PlayerHUD.cs.
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/// Cruelty Squad aesthetic: deliberately ugly, glitchy-looking.
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/// </summary>
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public class RadarHUD : MonoBehaviour
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{
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// ─── Inspector ────────────────────────────────────────────────────
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[Header("Layout")]
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public float edgePadX = 18f;
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public float edgePadY = 18f;
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public float radarRadius = 60f; // visual radius of the radar disc (px)
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public float worldRange = 40f; // world-space units the radar covers
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[Header("Scan")]
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[Tooltip("How often (seconds) to re-scan the scene for enemies/pickups.")]
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public float scanInterval = 0.25f;
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[Header("Colours")]
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public Color colBackground = new Color(0.04f, 0.10f, 0.04f, 0.88f);
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public Color colRim = new Color(0.18f, 0.70f, 0.22f, 0.90f);
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public Color colGrid = new Color(0.18f, 0.70f, 0.22f, 0.20f);
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public Color colForwardTick = new Color(0.18f, 0.70f, 0.22f, 0.80f);
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public Color colEnemy = new Color(0.95f, 0.12f, 0.12f, 1.00f);
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public Color colPickup = new Color(0.90f, 0.85f, 0.05f, 1.00f);
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public Color colNPC = new Color(0.20f, 0.95f, 0.40f, 1.00f);
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public Color colPlayerDot = new Color(1.00f, 1.00f, 1.00f, 1.00f);
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[Header("Blip Sizes (px)")]
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public float enemyBlipSize = 5f;
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public float pickupBlipSize = 4f;
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public float npcBlipSize = 4f;
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public float playerDotSize = 5f;
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[Header("Pulse")]
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[Tooltip("Enemies pulse their blip opacity.")]
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public float blipPulseSpeed = 4f;
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// ─── Private ──────────────────────────────────────────────────────
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private Texture2D _white;
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// Cached lists — refreshed on scanInterval
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private readonly List<Transform> _enemies = new List<Transform>();
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private readonly List<Transform> _pickups = new List<Transform>();
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private readonly List<Transform> _npcs = new List<Transform>();
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private float _nextScan;
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// Centre and radius of the drawn disc in screen pixels (set each OnGUI call)
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private Vector2 _centre;
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private float _r;
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// ─────────────────────────────────────────────────────────────────
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void Start()
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{
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_white = Texture2D.whiteTexture;
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ScanScene();
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}
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void Update()
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{
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if (Time.time >= _nextScan)
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{
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ScanScene();
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_nextScan = Time.time + scanInterval;
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}
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}
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void ScanScene()
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{
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_enemies.Clear();
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foreach (var e in FindObjectsOfType<HumanoidEnemy>())
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if (e != null) _enemies.Add(e.transform);
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_pickups.Clear();
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foreach (var p in FindObjectsOfType<PickupItem>())
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if (p != null) _pickups.Add(p.transform);
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_npcs.Clear();
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foreach (var n in FindObjectsOfType<DialogueNPC>())
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if (n != null) _npcs.Add(n.transform);
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}
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void OnGUI()
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{
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_r = radarRadius;
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// Radar disc centre: top-left corner + padding + radius
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float cx = edgePadX + _r;
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float cy = edgePadY + _r;
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_centre = new Vector2(cx, cy);
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// ── Background disc ──────────────────────────────────────────
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DrawDisc(cx, cy, _r, colBackground);
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// ── Grid rings (2 concentric) ─────────────────────────────────
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DrawDiscOutline(cx, cy, _r * 0.5f, colGrid, 1f);
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// ── Crosshair lines (faint) ────────────────────────────────────
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Color gridCol = colGrid;
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DrawTex(new Rect(cx - _r, cy - 0.5f, _r * 2f, 1f), gridCol);
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DrawTex(new Rect(cx - 0.5f, cy - _r, 1f, _r * 2f), gridCol);
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// ── Outer rim ────────────────────────────────────────────────
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DrawDiscOutline(cx, cy, _r, colRim, 1.5f);
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// ── Player forward tick ────────────────────────────────────────
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// A small notch at the top of the disc = player's forward
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DrawTex(new Rect(cx - 1.5f, cy - _r + 1f, 3f, 6f), colForwardTick);
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// ── Blips ─────────────────────────────────────────────────────
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float yaw = transform.eulerAngles.y; // player yaw (world Y)
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float enemyPulse = Mathf.Lerp(0.45f, 1f,
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(Mathf.Sin(Time.time * blipPulseSpeed) + 1f) * 0.5f);
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// Pickups first (rendered under everything)
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foreach (var t in _pickups)
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{
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if (t == null) continue;
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Vector2 blipPos;
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if (WorldToRadar(t.position, yaw, out blipPos))
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DrawBlip(blipPos.x, blipPos.y, pickupBlipSize, colPickup, 1f, square: true);
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}
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// NPCs — green dots
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foreach (var t in _npcs)
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{
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if (t == null) continue;
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Vector2 blipPos;
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if (WorldToRadar(t.position, yaw, out blipPos))
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DrawBlip(blipPos.x, blipPos.y, npcBlipSize, colNPC, 1f, square: false);
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}
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// Enemies
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Color enemyDraw = new Color(colEnemy.r, colEnemy.g, colEnemy.b, colEnemy.a * enemyPulse);
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foreach (var t in _enemies)
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{
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if (t == null) continue;
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Vector2 blipPos;
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if (WorldToRadar(t.position, yaw, out blipPos))
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DrawBlip(blipPos.x, blipPos.y, enemyBlipSize, enemyDraw, 1f, square: false);
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}
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// Player dot (always at centre)
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DrawBlip(cx, cy, playerDotSize, colPlayerDot, 1f, square: false);
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// ── Label ─────────────────────────────────────────────────────
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GUIStyle labelStyle = new GUIStyle();
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labelStyle.fontSize = 8;
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labelStyle.fontStyle = FontStyle.Bold;
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labelStyle.normal.textColor = new Color(colRim.r, colRim.g, colRim.b, 0.65f);
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GUI.Label(new Rect(cx - _r, cy + _r + 3f, _r * 2f, 12f), "RADAR", labelStyle);
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}
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// ─── Conversion ───────────────────────────────────────────────────
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/// <summary>
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/// Converts a world position to a radar screen position.
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/// Returns false if the point is outside the radar range.
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/// </summary>
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bool WorldToRadar(Vector3 worldPos, float playerYawDeg, out Vector2 screenPos)
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{
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Vector3 delta = worldPos - transform.position;
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float dx = delta.x;
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float dz = delta.z;
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// Rotate so player forward = up on radar
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float rad = playerYawDeg * Mathf.Deg2Rad;
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float rx = dx * Mathf.Cos(rad) - dz * Mathf.Sin(rad);
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float ry = dx * Mathf.Sin(rad) + dz * Mathf.Cos(rad);
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// Normalise to radar pixel space
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float px = _centre.x + (rx / worldRange) * _r;
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float py = _centre.y - (ry / worldRange) * _r; // screen Y is flipped
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// Clamp to disc edge if outside range
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float dist = new Vector2(rx, ry).magnitude;
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if (dist > worldRange)
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{
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// Show as a dim edge blip
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float ex = _centre.x + (rx / dist) * (_r - 3f);
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float ey = _centre.y - (ry / dist) * (_r - 3f);
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screenPos = new Vector2(ex, ey);
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return true; // still draw, but at edge
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}
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screenPos = new Vector2(px, py);
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return true;
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}
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// ─── Drawing helpers ──────────────────────────────────────────────
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void DrawBlip(float x, float y, float size, Color col, float alpha, bool square)
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{
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Color c = new Color(col.r, col.g, col.b, col.a * alpha);
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float half = size * 0.5f;
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if (square)
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{
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DrawTex(new Rect(x - half, y - half, size, size), c);
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}
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else
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{
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// Approximate circle with a 3x3 cross pattern
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DrawTex(new Rect(x - half, y - half * 0.4f, size, size * 0.4f), c);
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DrawTex(new Rect(x - half * 0.4f, y - half, size * 0.4f, size), c);
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}
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}
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/// <summary>Draws a filled circle approximated by a square (fast IMGUI).</summary>
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void DrawDisc(float cx, float cy, float r, Color col)
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{
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// Draw as a stack of horizontal lines to get a rough circle
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int steps = Mathf.CeilToInt(r * 2f);
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for (int i = 0; i < steps; i++)
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{
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float t = (i / (float)steps) * 2f - 1f; // -1 to 1
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float hw = Mathf.Sqrt(Mathf.Max(0f, 1f - t * t)) * r;
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float y = cy + t * r;
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DrawTex(new Rect(cx - hw, y, hw * 2f, 1f), col);
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}
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}
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/// <summary>Draws a thin circle outline.</summary>
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void DrawDiscOutline(float cx, float cy, float r, Color col, float thickness)
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{
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int segments = Mathf.Max(32, Mathf.CeilToInt(r * 3f));
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for (int i = 0; i < segments; i++)
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{
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float a0 = (i / (float)segments) * Mathf.PI * 2f;
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float a1 = ((i + 1) / (float)segments) * Mathf.PI * 2f;
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float x0 = cx + Mathf.Cos(a0) * r;
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float y0 = cy + Mathf.Sin(a0) * r;
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float x1 = cx + Mathf.Cos(a1) * r;
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float y1 = cy + Mathf.Sin(a1) * r;
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// Draw a tiny rect along each segment
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float len = Mathf.Sqrt((x1 - x0) * (x1 - x0) + (y1 - y0) * (y1 - y0));
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if (len < 0.01f) continue;
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DrawTex(new Rect(Mathf.Min(x0, x1) - thickness * 0.5f,
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Mathf.Min(y0, y1) - thickness * 0.5f,
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Mathf.Abs(x1 - x0) + thickness,
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Mathf.Abs(y1 - y0) + thickness), col);
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}
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}
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void DrawTex(Rect r, Color c)
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{
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Color prev = GUI.color;
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GUI.color = c;
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GUI.DrawTexture(r, _white);
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GUI.color = prev;
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}
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}
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