def update(self, timeout=0.0):
glfw.glfwWaitEventsTimeout(timeout)
self.update_gui()
gl_utils.glFlush()
glfw.glfwSwapBuffers(self._window)
if self.hdpi_changed():
# calling resize will handle hdpi changes and resize the UI accordingly
self.manual_resize()
def render(window):
global program, vao, indices, cube_positions
GLFW.glfwPollEvents()
GL.glViewport(0, 0, window.width, window.height)
cameraPos = GLM.vec3(0.0, 0.0, 3.0)
cameraTarget = GLM.vec3(0.0, 0.0, 0.0)
cameraDirection = GLM.normalize(cameraPos - cameraTarget)
up = GLM.vec3(0.0, 1.0, 0.0)
cameraRight = GLM.normalize(GLM.cross(up, cameraDirection))
cameraUp = GLM.cross(cameraDirection, cameraRight)
view = GLM.lookAt(GLM.vec3(0.0, 0.0, 3.0), GLM.vec3(0.0, 0.0, 0.0),
GLM.vec3(0.0, 1.0, 0.0))
GL.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT)
program.useProgram()
view = GLM.mat4(1.0)
view = GLM.translate(view, GLM.vec3(0.0, 0.0, -3.0))
projection = GLM.perspective(GLM.radians(45.0),
window.width / window.height, 0.1, 100.0)
program.setMat4("projection", projection)
for w in range(10):
radius = 10.0
camX = MATH.sin(GLFW.glfwGetTime()) * radius
camZ = MATH.cos(GLFW.glfwGetTime()) * radius
view = GLM.lookAt(GLM.vec3(camX, 0.0, camZ), GLM.vec3(0.0, 0.0, 0.0),
GLM.vec3(0.0, 1.0, 0.0))
model = GLM.mat4(1.0)
model = GLM.translate(model, cube_positions[w])
model = GLM.rotate(model, GLM.radians(20.0 * w),
GLM.vec3(1.0, 0.3, 0.5))
program.setMat4("model", model)
program.setMat4("view", view)
vao.useVAO(program)
GL.glDrawArrays(GL.GL_TRIANGLES, 0, 36)
vao.unBind()
GLFW.glfwSwapBuffers(window.getWindow())
def on_framebuffer_resize(self, window, w, h):
"""Updates windows/UI sizes and redraws the UI with correct HDPI scaling."""
self.framebuffer_size = w, h
if self.is_minimized():
return
# NOTE: macOS and some Linux versions with the wayland display server have an
# upscaled framebuffer when using a high-DPI monitor. This means that screen
# coordinates != pixel coordinates. We need to know if this is the case in order
# to transform UI input into the right coordinates, so we check for this case
# here.
window_size = glfw.glfwGetWindowSize(window)
self.has_scaled_framebuffer = window_size != self.framebuffer_size
# Always clear buffers on resize to make sure that the black stripes left/right
# are black and not polluted from previous frames. Make sure this is applied on
# the whole window and not within glViewport!
gl_utils.glClear(gl_utils.GL_COLOR_BUFFER_BIT)
gl_utils.glClearColor(0, 0, 0, 1)
self.hdpi_factor = glfw.glfwGetWindowContentScale(window)[0]
self.gui.scale = self.gui_user_scale * self.hdpi_factor
with self.use_content_area() as (x, y, content_w, content_h):
# update GUI window to full window
self.gui.update_window(w, h)
# update content container to content square
# NOTE: since this is part of the UI, it will be affected by the gui
# scaling, but we actually need real coordinates, so we need to convert it
# back.
self.cont.outline = ui.FitBox(
ui.Vec2(x // self.hdpi_factor, y // self.hdpi_factor),
ui.Vec2(content_w // self.hdpi_factor,
content_h // self.hdpi_factor),
)
self.draw_texture()
self.gui.collect_menus()
self.update_gui()
gl_utils.glFlush()
glfw.glfwSwapBuffers(self._window)
def swap(self):
glfw.glfwSwapBuffers(self._native_window)