add basic bouncing ball

1 files changed, 0 insertions, 283 deletions

diff --git a/demo/honey.lua b/demo/honey.lua
deleted file mode 100644
index 4b1526f..0000000
--- a/demo/honey.lua
+++ /dev/null
@@ -1,283 +0,0 @@
-local gl = honey.gl
-local window = honey.window
-
-
---===== initialize audio =====--
-
-local engine = honey.audio.engine_init()
-honey.audio.engine_play_sound(engine, 'example_sound.ogg')
-
-
---====== initialize opengl ======--
-
-gl.Init()
-window.setHint(window.hintType.contextVersionMajor, 3)
-window.setHint(window.hintType.contextVersionMinor, 3)
-window.setHint(window.hintType.openGlProfile, window.profileType.openGlCoreProfile)
-
-
---====== create window ======--
-
-local w = window.create(640, 480, 'hello, world!')
-window.makeContextCurrent(w)
-gl.InitGlad()
-gl.Enable(gl.DEPTH_TEST)
-
-window.setFramebufferSizeCallback(w, function(_, width, height)
-	print(string.format("resize: (%d, %d)", width, height))
-	gl.setViewport(0, 0, width, height)
-end)
-
-
---====== compile shaders ======--
-
-local vertexShaderSource = [[
-#version 330 core
-layout (location = 0) in vec3 aPos;
-layout (location = 1) in vec2 aTexCoord;
-
-uniform mat4 model;
-uniform mat4 view;
-uniform mat4 projection;
-
-out vec2 TexCoord;
-
-void main()
-{
-    gl_Position = projection * view * model * vec4(aPos, 1.0);
-    TexCoord = aTexCoord;
-}
-]]
-
-local fragmentShaderSource = [[
-#version 330 core
-out vec4 FragColor;
-  
-in vec2 TexCoord;
-
-uniform sampler2D ourTexture;
-
-void main()
-{
-    FragColor = texture(ourTexture, TexCoord);
-}
-]]
-
--- vertex shader
-local vertexShader = gl.CreateShader(gl.VERTEX_SHADER)
-gl.ShaderSource(vertexShader, vertexShaderSource)
-gl.CompileShader(vertexShader)
-
--- fragment shader
-local fragmentShader = gl.CreateShader(gl.FRAGMENT_SHADER)
-gl.ShaderSource(fragmentShader, fragmentShaderSource)
-gl.CompileShader(fragmentShader)
-
--- link
-local shader = gl.CreateProgram()
-gl.AttachShader(shader, vertexShader)
-gl.AttachShader(shader, fragmentShader)
-gl.LinkProgram(shader)
--- clean up
-gl.DeleteShader(vertexShader)
-gl.DeleteShader(fragmentShader)
-
-
---====== set up mesh data manually ======--
-
-local vertices = {
---     positions          uvs   
-	 0.5,  0.5, 0.0,   1.0, 1.0, -- top right
-	 0.5, -0.5, 0.0,   1.0, 0.0, -- bottom right
-	-0.5, -0.5, 0.0,   0.0, 0.0, -- bottom let
-	-0.5,  0.5, 0.0,   0.0, 1.0  -- top let 
-}
-local indices = {
-    0, 1, 3, -- first triangle
-    1, 2, 3  -- second triangle
-}
-
--- buffers
-local vertexArray = gl.GenVertexArrays()
-local vertexBuffer = gl.GenBuffers()
-local elementBuffer = gl.GenBuffers()
-
-gl.BindVertexArray(vertexArray)
-
-gl.BindBuffer(gl.ARRAY_BUFFER, vertexBuffer)
-gl.BufferData(gl.ARRAY_BUFFER, gl.FLOAT, vertices, gl.STATIC_DRAW)
-
-gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, elementBuffer)
-gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, gl.UNSIGNED_INT, indices, gl.STATIC_DRAW)
-
--- position
-gl.VertexAttribPointer(0, 3, false, 5, 0)
-gl.EnableVertexAttribArray(0)
-
--- uv
-gl.VertexAttribPointer(1, 2, false, 5, 3)
-gl.EnableVertexAttribArray(1)
-
-
---===== load mesh from file =====--
-
-local scene = honey.import.importFile('suzanne.dae')
-local mesh = scene.meshes[1]
-local suzanne = {}
-suzanne.vertices = {}
-print('mesh.vertices', #mesh.vertices)
-for i=1,#mesh.vertices do
-	local position = mesh.vertices[i]
-	local uv = mesh.uvs[1][i]
-	table.insert(suzanne.vertices, position.x)
-	table.insert(suzanne.vertices, position.y)
-	table.insert(suzanne.vertices, position.z)
-	table.insert(suzanne.vertices, uv.x)
-	table.insert(suzanne.vertices, uv.y)
-end
-suzanne.indices = {}
-for _, face in ipairs(mesh.faces) do
-	assert(#face == 3)
-	for _, i in ipairs(face) do
-		table.insert(suzanne.indices, i)
-	end
-end
-print('mesh.faces', #mesh.faces)
-print('suzanne.indices', #suzanne.indices)
-
-suzanne.vertexArr = gl.GenVertexArrays()
-suzanne.vertexBuf = gl.GenBuffers()
-suzanne.elementBuf = gl.GenBuffers()
-
-gl.BindVertexArray(suzanne.vertexArr)
-gl.BindBuffer(gl.ARRAY_BUFFER, suzanne.vertexBuf)
-gl.BufferData(gl.ARRAY_BUFFER, gl.FLOAT, suzanne.vertices, gl.STATIC_DRAW)
-
-gl.BindBuffer(gl.ELEMENT_ARRAY_BUFFER, suzanne.elementBuf)
-gl.BufferData(gl.ELEMENT_ARRAY_BUFFER, gl.UNSIGNED_INT, suzanne.indices, gl.STATIC_DRAW)
-
-gl.VertexAttribPointer(0, 3, false, 5, 0)
-gl.EnableVertexAttribArray(0)
-gl.VertexAttribPointer(1, 2, false, 5, 3)
-gl.EnableVertexAttribArray(1)
-
-
---====== load texture ======--
-
-local texture = gl.GenTextures()
-gl.BindTexture(gl.TEXTURE_2D, texture)
-
-gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.REPEAT)
-gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.REPEAT)
-
-gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
-gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)
-
-local image, width, height = honey.image.load('container.jpg', 3)
-gl.TexImage2D(
-	gl.TEXTURE_2D, 0,
-	gl.RGB, width, height,
-	gl.RGB, gl.UNSIGNED_BYTE,
-	image
-)
-gl.GenerateMipmap(gl.TEXTURE_2D)
-honey.image.destroy(image)
-
--- connect shader samplers to texture units
-gl.UseProgram(shader)
-gl.Uniform1i(gl.GetUniformLocation(shader, 'ourTexture'), 0)
-
-
---===== generate cairo texture =====--
-
-local image = honey.image
-local surface = image.surface_create(image.FORMAT_ARGB32, 512, 512)
-local cr = image.context_create(surface)
-image.context_select_font_face(cr, "sans-serif", image.FONT_SLANT_NORMAL, image.FONT_WEIGHT_NORMAL)
-image.context_set_font_size(cr, 32)
-image.context_set_source_rgb(cr, 1, 0, 0)
-image.context_move_to(cr, 100, 100)
-image.context_show_text(cr, "hello, world!")
-local data = image.surface_get_data(surface)
-gl.BindTexture(gl.TEXTURE_2D, texture)
-gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_SWIZZLE_R, gl.BLUE)
-gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_SWIZZLE_B, gl.RED)
---gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_SWIZZLE_A, gl.RED)
-gl.TexImage2D(
-	gl.TEXTURE_2D, 0,
-	gl.RGB, width, height,
-	gl.RGBA, gl.UNSIGNED_BYTE,
-	data
-)
-gl.GenerateMipmap(gl.TEXTURE_2D)
-
-
---====== matrices ======--
-
-local model = honey.glm.mat4()
-local axis1 = honey.glm.vec3()
-honey.glm.vec3_set(axis1, 0, 1.0)
-honey.glm.vec3_set(axis1, 1, 0.0)
-honey.glm.vec3_set(axis1, 2, 0.0)
-
-local axis2 = honey.glm.vec3()
-honey.glm.vec3_set(axis2, 0, 0.0)
-honey.glm.vec3_set(axis2, 1, 1.0)
-honey.glm.vec3_set(axis2, 2, 0.0)
-
-local view = honey.glm.mat4()
-honey.glm.mat4_identity(view)
-local translation = honey.glm.vec3()
-honey.glm.vec3_set(translation, 0,  0.0)
-honey.glm.vec3_set(translation, 1,  0.0)
-honey.glm.vec3_set(translation, 2, -3.0)
-honey.glm.translate(view, translation)
-
-local projection = honey.glm.mat4()
-honey.glm.perspective(math.rad(45), 800/600, 0.1, 100, projection)
-
-
---====== main loop ======--
-
-local transform = honey.glm.mat4()
-
-while not window.shouldClose(w) do
-	local time = window.getTime()
-
-	gl.ClearColor(0.2, 0.3, 0.3, 1.0)
-	gl.Clear(gl.COLOR_BUFFER_BIT + gl.DEPTH_BUFFER_BIT)
-
-	gl.ActiveTexture(0)
-	gl.BindTexture(gl.TEXTURE_2D, texture)
-
-	gl.UseProgram(shader)
-	
-	local modelL = gl.GetUniformLocation(shader, 'model')
-	local viewL = gl.GetUniformLocation(shader, 'view')
-	local projectionL = gl.GetUniformLocation(shader, 'projection')
-	
-	honey.glm.mat4_identity(model)
-	honey.glm.rotate(model, 0.5*math.pi*time, axis2)
-	honey.glm.rotate(model, math.rad(-90), axis1)
-
-	gl.UniformMatrix4fv(modelL, false, model)
-	gl.UniformMatrix4fv(viewL, false, view)
-	gl.UniformMatrix4fv(projectionL, false, projection)
-
-	--gl.BindVertexArray(vertexArray)
-	--gl.DrawElements(gl.TRIANGLES, 6, gl.UNSIGNED_INT, 0)
-
-	gl.BindVertexArray(suzanne.vertexArr)
-	gl.DrawElements(gl.TRIANGLES, 3*#mesh.faces, gl.UNSIGNED_INT, 0)
-
-	window.swapBuffers(w)
-	window.pollEvents()
-end
-
---===== shut down =====--
-
-window.destroy(w)
-gl.Terminate()
-honey.audio.engine_uninit(engine)
-image.surface_destroy(surface)
-image.context_destroy(cr)