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add angle

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fnicon 2026-03-20 16:47:57 +09:00
parent 76e61ed233
commit 20b0b26e29
2 changed files with 23 additions and 6 deletions
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game/love_src/asset/image/arrow_right.png Normal file
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29
game/love_src/src/world/top_down_race/system/velocity.lua
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@ -58,10 +58,11 @@ local function get(e)
e[race.dict.decel].data
end
local function draw(text, x, y, sx, sy, angle)
local function draw(text, x, y, sx, sy, angle, image, origin)
love.graphics.push()
love.graphics.scale(sx, sy)
love.graphics.rotate(angle)
-- love.graphics.rotate(angle)
love.graphics.draw(image, x, y, angle, 1, 1, origin[1], origin[2])
love.graphics.print(text, x, y)
love.graphics.pop()
end
@ -76,17 +77,25 @@ function system:load()
component.component("race.angle", function (c, x)
c.data = x
end)
component.component("race.image", function (c, x)
c.data = {
image = love.graphics.newImage(x)
}
c.data.origin = vm.vec2(c.data.image:getWidth()/2, c.data.image:getHeight()/2)
end)
for _, e in ipairs(self.pool) do
e:give("race.pos", 10, 10)
e:give("race.scale", 1, 1)
e:give("race.angle", 0)
e:give("race.image", "love_src/asset/image/arrow_right.png")
end
end
function system:update(dt)
for _, e in ipairs(self.pool) do
local accel, brake, grip, max_speed, steer, velocity, drag, decel = get(e)
local up = love.keyboard.isDown("up")
local down = love.keyboard.isDown("down")
local left = love.keyboard.isDown("left")
@ -100,16 +109,22 @@ function system:update(dt)
e[race.dict.velocity].data = racing_phy.accelerate(dt, 1, velocity, max_speed, -drag -decel)
end
local angle = e["race.angle"].data
if (left) then
e["race.angle"].data = e["race.angle"].data - 1 * dt
e["race.angle"].data = angle - 1 * dt
end
if (right) then
e["race.angle"].data = e["race.angle"].data + 1 * dt
e["race.angle"].data = angle + 1 * dt
end
angle = e["race.angle"].data
cos = math.cos(angle)
sin = math.sin(angle)
velocity = e[race.dict.velocity].data
e["race.pos"].data = vm.vec2(e["race.pos"].data[1] + velocity, e["race.pos"].data[2])
e["race.pos"].data[1] = e["race.pos"].data[1] + velocity * cos
e["race.pos"].data[2] = e["race.pos"].data[2] + velocity * sin
-- print(racing_phy.drift(dt, 1, velocity, max_speed, 2, 10))
end
end
@ -118,7 +133,9 @@ function system:draw()
for _, e in ipairs(self.pool) do
local accel, brake, grip, max_speed, steer, velocity = get(e)
local x, y, sx, sy, angle = e["race.pos"].data[1], e["race.pos"].data[2], e["race.scale"].data[1], e["race.scale"].data[2], e["race.angle"].data
draw(velocity, x, y, sx, sy, angle)
local image = e["race.image"].data.image
local origin = e["race.image"].data.origin
draw(velocity, x, y, sx, sy, angle, image, origin)
end
end