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require 'common'
local window = honey.window
local glm = honey.glm
function makeVector(x, y, z)
local vec = honey.glm.vec3()
honey.glm.vec3_set(vec, 0, x)
honey.glm.vec3_set(vec, 1, y)
honey.glm.vec3_set(vec, 2, z) return vec
end
function printVector(vec)
local x = honey.glm.vec3_get(vec, 0)
local y = honey.glm.vec3_get(vec, 1)
local z = honey.glm.vec3_get(vec, 2)
print(string.format('[%0.2f, %0.2f, %0.2f]', x, y, z))
end
function pressed(key)
local win = honey.window.win
return window.getKey(win, key) == window.PRESS
end
local Shader = require 'shader'
local Mesh = require 'mesh'
local Camera = require 'camera'
local Texture = require 'texture'
local heightmap, camera, shader, texture
function honey.init()
heightmap = Mesh.Load('heightmap.dae')
glm.rotate(heightmap.transform, math.rad(90), glm.makeVector(1, 0, 0))
camera = Camera(math.rad(45), 640/480, 0.1, 1000)
shader = Shader.Load('height.vs', 'height.fs')
texture = Texture.Load('grass3_by_RPG.png')
shader:SetTexture('grass', texture)
window.setInputMode(window.win, window.CURSOR, window.CURSOR_DISABLED)
end
function honey.windowSizeCallback(w, h)
print('hi')
honey.gl.Viewport(0, 0, w, h)
camera:updateRatio(w/h)
end
local mouse = { x=0, y=0, pitch=0, yaw=0 }
local translation = honey.glm.vec3()
function honey.update(dt)
if pressed(window.KEY_ESCAPE) then
window.setShouldClose(honey.window.win, true)
end
local mx, my = window.getCursorPos(honey.window.win)
local delta_mx, delta_my = mx - mouse.x, my - mouse.y
mouse.x = mx
mouse.y = my
mouse.yaw = mouse.yaw + delta_mx
mouse.pitch = mouse.pitch - delta_my
if mouse.pitch < -89.999 then mouse.pitch = -89.999 end
if mouse.pitch > 89.999 then mouse.pitch = 89.999 end
camera:setAngles(mouse.yaw, mouse.pitch)
local cx, cy, cz = 0, 0, 0
if pressed(window.KEY_W) then cx= 1
elseif pressed(window.KEY_S) then cx = -1 end
if pressed(window.KEY_A) then cz = -1
elseif pressed(window.KEY_D) then cz = 1 end
glm.setVector(translation, cx, cy, cz)
honey.glm.vec3_normalize(translation)
honey.glm.vec3_scale(translation, dt, translation)
camera:translate(translation)
camera:updateView()
end
function honey.draw()
shader:Use()
shader:SetMatrix('view', camera.view)
shader:SetMatrix('projection', camera.projection)
shader:SetMatrix('model', heightmap.transform)
heightmap:Draw()
end
honey.run()
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