106 lines
2.9 KiB
Lua
106 lines
2.9 KiB
Lua
require "lib.asset_bundle"
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require "lib.player"
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require "lib.math2"
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require "lib.light_source"
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require "lib.camera"
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PIXELS_PER_METER = 48
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P = nil
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Entities = {}
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Lights = {
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LightSource(Vec3 { 1, 1 }, 5),
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-- LightSource(Vec3 { 300, 200 }, 5),
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-- LightSource(Vec3 { 400, 200 }, 5)
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}
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function love.conf(t)
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t.console = true
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end
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function love.load()
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AssetBundle:load()
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love.window.setMode(1080, 720, { resizable = true, msaa = 4 })
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P = Player('fox')
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P.entity.position = Vec3 { 7, 7 }
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Entities.player = P.entity
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Camera.position = Vec3 { 0, 0 }
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print('ready')
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end
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function love.update(dt)
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P:update(dt)
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Camera.target = P.entity.position
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Camera:update(dt)
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end
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-- Преобразует вектор мировых координат (в метрах) в вектор экранных координат (в пикселях)
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local function worldToScreen(worldPos)
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return (worldPos - Camera.position) * PIXELS_PER_METER
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end
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local function drawShadow(entity, light, radius)
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local shadow_vec = light - entity.position
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local dist = shadow_vec:length()
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if dist > radius then return end
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love.graphics.setColor(0, 0, 0, math.min(0.5, 1 - (dist / radius)))
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local tex, quad = entity:spriteFromAngle(shadow_vec:direction())
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love.graphics.draw(tex, quad,
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worldToScreen(entity.position).x,
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worldToScreen(entity.position).y - 10,
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math.step_floor(shadow_vec:direction() - math.pi / 2, math.pi / 4),
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1, math.sin(20), tex:getHeight() / 2, tex:getHeight())
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love.graphics.setColor(1, 1, 1, 1)
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end
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function love.draw()
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love.graphics.clear(1, 1, 1)
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local spriteCanvas = love.graphics.newCanvas()
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local width, height = spriteCanvas:getDimensions()
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spriteCanvas:setFilter("linear", "linear")
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love.graphics.setCanvas(spriteCanvas)
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love.graphics.clear(1, 1, 1)
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love.graphics.push()
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love.graphics.translate(width / 2, height / 2) -- теперь экранный ноль координат будет в центре экрана
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for _, e in pairs(Entities) do
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for _, l in pairs(Lights) do
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drawShadow(e, l.position, l.power)
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end
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local tex, quad = e:spriteFromAngle(math.pi / 2)
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love.graphics.draw(tex, quad,
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worldToScreen(e.position).x,
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worldToScreen(e.position).y,
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0,
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1, 1, tex:getHeight() / 2, tex:getHeight())
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end
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love.graphics.setColor(1, 0, 0, 1)
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love.graphics.push()
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love.graphics.translate(worldToScreen(Lights[1].position).x, worldToScreen(Lights[1].position).y)
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love.graphics.circle("fill", 0, 0, 0.1 * PIXELS_PER_METER)
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love.graphics.pop()
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love.graphics.pop()
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love.graphics.setColor(1, 1, 1, 1)
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love.graphics.setCanvas()
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local scale = math.min(love.graphics.getDimensions()) / (15 * PIXELS_PER_METER);
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love.graphics.draw(spriteCanvas, 0, 0, 0, scale, scale)
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love.graphics.setColor(1, 1, 1, 1)
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end
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