diff options
Diffstat (limited to 'app/systems/rules/follow.rb')
| -rw-r--r-- | app/systems/rules/follow.rb | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/app/systems/rules/follow.rb b/app/systems/rules/follow.rb index 0b5045e..abaabd7 100644 --- a/app/systems/rules/follow.rb +++ b/app/systems/rules/follow.rb @@ -14,14 +14,32 @@ FF::Scn::BoidRules.add( camera = FF::Cmp::SingletonCamera[0] angle = camera.angle * (Math::PI / 180) mouse = $gtk.args.inputs.mouse + mouse_x = mouse.x + mouse_y = mouse.y half_width = $gtk.args.grid.w * 0.5 half_height = $gtk.args.grid.h * 0.5 - target_coords[0] = (((mouse.x - half_width) / camera.zoom) * Math.cos(-angle)) - (((mouse.y - half_height) / camera.zoom) * Math.sin(-angle)) + camera.x - target_coords[1] = (((mouse.x - half_width) / camera.zoom) * Math.sin(-angle)) + (((mouse.y - half_height) / camera.zoom) * Math.cos(-angle)) + camera.y + + mag = Helpers::Vectors.magnitude(mouse_x, + mouse_y, + half_width, + half_height) / camera.zoom + if mag > half_height + mouse_x = (((mouse_x - half_width) / mag) * half_height) + half_width + mouse_y = (((mouse_y - half_height) / mag) * half_height) + half_height + end + #puts "x: #{mouse_x}" + #puts "y: #{mouse_y}" + #puts "x mag: #{mouse_x / mag}" + #puts "y mag: #{mouse_y / mag}" + $gtk.args.outputs.solids << [mouse_x, mouse_y, 250, 250, 255, 0, 0, 255] + + target_coords[0] = (((mouse_x - half_width) / camera.zoom) * Math.cos(-angle)) - (((mouse_y - half_height) / camera.zoom) * Math.sin(-angle)) + camera.x + target_coords[1] = (((mouse_x - half_width) / camera.zoom) * Math.sin(-angle)) + (((mouse_y - half_height) / camera.zoom) * Math.cos(-angle)) + camera.y + end - boid.cx += (target_coords[0] - boid.x) / follow.strength.to_f - boid.cy += (target_coords[1] - boid.y) / follow.strength.to_f + boid.cx += (target_coords[0] - boid.x) * follow.strength.to_f + boid.cy += (target_coords[1] - boid.y) * follow.strength.to_f end end ) |