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if not defined?(JF::ZoomCrosshairs) | |
UI.menu("Camera").add_item("Zoom Crosshairs") { | |
Sketchup.active_model.select_tool(JF::ZoomCrosshairs.new) | |
} | |
end | |
module JF | |
class ZoomCrosshairs | |
# Move the Camera | |
def do_zoom(view) | |
reset() | |
camera = view.camera | |
eye = camera.eye | |
up = camera.up | |
target = camera.target | |
direction = camera.direction | |
height = camera.height | |
# The corners of the selection are | |
# @pt1 and @pt2 | |
rect_width = (@pt2.x - @pt1.x).abs | |
rect_height = (@pt2.y - @pt1.y).abs | |
camera.set(eye, target, up) | |
if not camera.perspective? | |
camera.height = height | |
end | |
end | |
def activate() | |
@h = Sketchup.active_model.active_view.vpheight | |
@w = Sketchup.active_model.active_view.vpwidth | |
@state = 1 | |
end | |
def onMouseMove(flags, x, y, view) | |
@x = x | |
@y = y | |
if @down | |
if @pt1.distance([x, y]) > 10 | |
@dragging = true | |
@pt2 = [x, y] | |
else | |
@dragging = false | |
end | |
end | |
view.invalidate | |
end | |
def onLButtonUp(flags, x, y, view) | |
@down = false | |
if @state == 2 && @dragging | |
@pt2 = [x, y] | |
view.invalidate | |
do_zoom(view) | |
end | |
if @state == 2 | |
@state = 1 | |
end | |
end | |
def onLButtonDown(flags, x, y, view) | |
@down = true | |
if @state == 1 | |
@pt1 = [x, y] | |
@state = 2 | |
end | |
end | |
def deactivate(view) | |
view.invalidate | |
end | |
def suspend(view) | |
view.invalidate | |
end | |
def draw(view) | |
if @x && @y | |
view.draw2d(GL_LINES, [@x, 1], [@x, @h-1]) | |
view.draw2d(GL_LINES, [0, @y], [@w-1, @y]) | |
if @dragging | |
pt3 = [@pt2.x, @pt1.y] | |
pt4 = [@pt1.x, @pt2.y] | |
view.drawing_color = 'red' | |
view.draw2d(GL_LINE_LOOP, @pt1, pt3, @pt2, pt4) | |
end | |
end | |
end | |
def reset | |
@state = 1 | |
@dragging = false | |
end | |
end | |
end | |
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