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added checkerpick test script with example for mouse motion selection on a grid

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git-svn-id: svn://anubis/anaglym/trunk@308 99a6e188-d820-4881-8870-2d33a10e2619
This commit is contained in:
Josh Holtrop 2010-09-17 03:34:38 +00:00
parent 7c7609045d
commit 89e065ebb5
2 changed files with 27 additions and 0 deletions
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1
.todo
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@ -1,2 +1,3 @@
add ag.pickOne
add gradient functionality add gradient functionality
fix blending of overlay drawing routines fix blending of overlay drawing routines

26
tests/checkerpick.lua Normal file
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@ -0,0 +1,26 @@
function init_event()
local checker_texture = ag.loadTexture("checker.jpg")
ground = ag.createBox(8, 8, 0.1, {static = true})
ground:setTexture(checker_texture)
ag.setCamera(10, -10, 10, 0, 0, 0)
hilite = ag.createBox(2, 2, 0.1, {static = true})
hilite:setColor(0.3, 0.5, 1)
hilite:setPosition(1, 1, 0.1)
ag.setCursorVisible(true)
end
function mouse_motion_event(x, y, xrel, yrel)
objects = ag.pickObjects(x, y)
for i, obj in ipairs(objects) do
if obj == ground then
x = obj.pick_pos[1]
y = obj.pick_pos[2]
xp = 2 * math.floor(x / 2) + 1
yp = 2 * math.floor(y / 2) + 1
if xp >= -3 and xp <= 3 and yp >= -3 and yp <= 3 then
hilite:setPosition(xp, yp, 0.1)
end
end
end
end