func (e *Engine) Start() {
var err error
e.shader.program, err = LoadProgram("shader.v.glsl", "shader.f.glsl")
if err != nil {
panic(fmt.Sprintln("LoadProgram failed:", err))
}
e.shader.models, err = wavefront.Read("gopher.obj")
check(err)
e.shader.vertCoord = gl.GetAttribLocation(e.shader.program, "vertCoord")
e.shader.projection = gl.GetUniformLocation(e.shader.program, "projection")
e.shader.view = gl.GetUniformLocation(e.shader.program, "view")
e.shader.modelx = gl.GetUniformLocation(e.shader.program, "modelx")
e.shader.modely = gl.GetUniformLocation(e.shader.program, "modely")
e.shader.color = gl.GetUniformLocation(e.shader.program, "color")
for _, model := range e.shader.models {
for _, group := range model.Groups {
data := f32.Bytes(binary.LittleEndian, group.Vertexes...)
color := group.Material.Ambient
vertexCount := len(data)
databuf := gl.CreateBuffer()
e.shape.bufs = append(e.shape.bufs, Buf{vertexCount, databuf, color})
gl.BindBuffer(gl.ARRAY_BUFFER, databuf)
gl.BufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW)
}
}
}
func (e *Engine) Start() {
var err error
e.shader.program, err = LoadProgram("shader.v.glsl", "shader.f.glsl")
if err != nil {
panic(fmt.Sprintln("LoadProgram failed:", err))
}
e.shader.models, err = wavefront.Read("spiritframe.obj")
check(err)
e.shader.projectionmatrix = gl.GetUniformLocation(e.shader.program, "u_projectionMatrix")
e.shader.viewmatrix = gl.GetUniformLocation(e.shader.program, "u_viewMatrix")
e.shader.modelmatrix = gl.GetUniformLocation(e.shader.program, "u_modelMatrix")
e.shader.normalmatrix = gl.GetUniformLocation(e.shader.program, "u_normalMatrix")
e.shader.lightdir = gl.GetUniformLocation(e.shader.program, "u_lightDirection")
e.shader.lightmatrix = gl.GetUniformLocation(e.shader.program, "u_lightmatrix")
e.shader.vertCoord = gl.GetAttribLocation(e.shader.program, "a_vertex")
e.shader.normal = gl.GetAttribLocation(e.shader.program, "a_normal")
e.shader.texcoord = gl.GetAttribLocation(e.shader.program, "a_texCoord")
for _, model := range e.shader.models {
for _, group := range model.Groups {
//颜色
color := group.Material.Ambient
//顶点
data := f32.Bytes(binary.LittleEndian, group.Vertexes...)
vertexCount := len(group.Vertexes) / 3
databuf := gl.CreateBuffer()
gl.BindBuffer(gl.ARRAY_BUFFER, databuf)
gl.BufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW)
//UV坐标
textcoords := f32.Bytes(binary.LittleEndian, group.Textcoords...)
uvbuf := gl.CreateBuffer()
gl.BindBuffer(gl.ARRAY_BUFFER, uvbuf)
gl.BufferData(gl.ARRAY_BUFFER, textcoords, gl.STATIC_DRAW)
//发现坐标
normals := f32.Bytes(binary.LittleEndian, group.Normals...)
normalbuf := gl.CreateBuffer()
gl.BindBuffer(gl.ARRAY_BUFFER, normalbuf)
gl.BufferData(gl.ARRAY_BUFFER, normals, gl.STATIC_DRAW)
tex, _ := LoadTexture(group.Material.Texturefile)
e.shape.Objs = append(e.shape.Objs, Obj{vcount: vertexCount, coord: databuf, color: color, uvcoord: uvbuf, tex: tex, normal: normalbuf})
}
}
}
func (e *Engine) Start() {
var err error
e.shader.program, err = LoadProgram("shader.v.glsl", "shader.f.glsl")
if err != nil {
panic(fmt.Sprintln("LoadProgram failed:", err))
}
e.shader.models, err = wavefront.Read("girl.obj")
check(err)
e.shader.vertCoord = gl.GetAttribLocation(e.shader.program, "vertCoord")
e.shader.vertTexCoord = gl.GetAttribLocation(e.shader.program, "vertTexCoord")
e.shader.projection = gl.GetUniformLocation(e.shader.program, "projection")
e.shader.view = gl.GetUniformLocation(e.shader.program, "view")
e.shader.modelx = gl.GetUniformLocation(e.shader.program, "modelx")
e.shader.modely = gl.GetUniformLocation(e.shader.program, "modely")
e.shader.color = gl.GetUniformLocation(e.shader.program, "color")
e.shader.useuv = gl.GetUniformLocation(e.shader.program, "useuv")
for _, model := range e.shader.models {
for _, group := range model.Groups {
//颜色
color := group.Material.Ambient
//顶点
data := f32.Bytes(binary.LittleEndian, group.Vertexes...)
vertexCount := len(group.Vertexes) / 3
databuf := gl.CreateBuffer()
gl.BindBuffer(gl.ARRAY_BUFFER, databuf)
gl.BufferData(gl.ARRAY_BUFFER, data, gl.STATIC_DRAW)
//UV坐标
textcoords := f32.Bytes(binary.LittleEndian, group.Textcoords...)
uvbuf := gl.CreateBuffer()
gl.BindBuffer(gl.ARRAY_BUFFER, uvbuf)
gl.BufferData(gl.ARRAY_BUFFER, textcoords, gl.STATIC_DRAW)
//贴图文件
var useuv bool
tex, err := LoadTexture(group.Material.Texturefile)
if err != nil {
useuv = false
} else {
useuv = true
}
e.shape.Objs = append(e.shape.Objs, Obj{vcount: vertexCount, coord: databuf, color: color, useuv: useuv, uvcoord: uvbuf, tex: tex})
}
}
}