def run(self):
# initializer timer
glfw.glfwSetTime(0)
t = 0.0
while not glfw.glfwWindowShouldClose(self.win) and not self.exitNow:
# update every x seconds
currT = glfw.glfwGetTime()
if currT - t > 0.1:
# update time
t = currT
# clear
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# build projection matrix
pMatrix = glutils.perspective(45.0, self.aspect, 0.1, 100.0)
mvMatrix = glutils.lookAt([0.0, 0.0, -2.0], [0.0, 0.0, 0.0],
[0.0, 1.0, 0.0])
# render
self.scene.render(pMatrix, mvMatrix)
# step
self.scene.step()
glfw.glfwSwapBuffers(self.win)
# Poll for and process events
glfw.glfwPollEvents()
# end
glfw.glfwTerminate()
def run(self):
# initializer timer
glfw.glfwSetTime(0)
t = 0.0
while not glfw.glfwWindowShouldClose(self.win) and not self.exitNow:
# update every x seconds
currT = glfw.glfwGetTime()
if currT - t > 0.01:
# update time
t = currT
# clear
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# render
pMatrix = glutils.perspective(100.0, self.aspect, 0.1, 100.0)
# modelview matrix
mvMatrix = glutils.lookAt(self.camera.eye, self.camera.center,
self.camera.up)
# draw non-transparent object first
self.box.render(pMatrix, mvMatrix)
# render
self.psys.render(pMatrix, mvMatrix, self.camera)
# step
self.step()
glfw.glfwSwapBuffers(self.win)
# Poll for and process events
glfw.glfwPollEvents()
# end
glfw.glfwTerminate()
def run(self):
# initializer timer
glfw.glfwSetTime(0)
t = 0.0
while not glfw.glfwWindowShouldClose(self.win) and not self.exitNow:
# update every x seconds
currT = glfw.glfwGetTime()
if currT - t > 0.01:
# update time
t = currT
# clear
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
# render
pMatrix = glutils.perspective(100.0, self.aspect, 0.1, 100.0)
# modelview matrix
mvMatrix = glutils.lookAt(self.camera.eye, self.camera.center,
self.camera.up)
# draw non-transparent object first
self.box.render(pMatrix, mvMatrix)
# render
self.psys.render(pMatrix, mvMatrix, self.camera)
# step
self.step()
glfw.glfwSwapBuffers(self.win)
# Poll for and process events
glfw.glfwPollEvents()
# end
glfw.glfwTerminate()
def run(self):
glfw.glfwSetTime(0) # timer initialization
t = 0.0
while not glfw.glfwWindowShouldClose(self.win) and not self.exit_now:
current_t = glfw.glfwGetTime()
if current_t -t > 0.1:
t = current_t # time updated
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) # | = bitwise or
# build projection matrix
p_matrix = glutils.perspective(45.0, self.aspect, 0.1, 100.0)
mv_matrix = glutils.lookAt([0.0, 0.0, -2.0], [0.0, 0.0, 0.0], [0.0, 1.0, 0.0])
# model-view matrix: [[eye pos], [look at {origin in this case)], [direction vector]]
self.scene.render(p_matrix, mv_matrix) # render
self.scene.step() # step
glfw.glfwSwapBuffers(self.win)
glfw.glfwPollEvents()
def run(self):
glfw.glfwSetTime(0)
t = 0.0
while not glfw.glfwWindowShouldClose(self.win) and not self.exitNow:
currT = glfw.glfwGetTime()
#每隔0.1s绘一次图
if currT - t > 0.1:
t = currT
#清除深度和颜色缓冲区
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
#计算投影矩阵，45度视场，近/远裁剪平面的距离为0.1/100.0
pMatrix = glutils.perspective(45.0, self.aspect, 0.1, 100.0)
#设置模型视图矩阵，眼睛位置设置在(0,0,-2)，用一个向上的矢量(0,1,0)看向原点(0,0,0)
mvMatirx = glutils.lookAt([0.0, 0.0, -2.0], [0.0, 0.0, 0.0],
[0.0, 1.0, 0.0])
self.scene.render(pMatrix, mvMatirx)
self.scene.step()
#交换前后缓冲区， 显示更新的三维图像（双缓冲，更加流畅的视觉效果）
glfw.glfwSwapBuffers(self.win)
#调用检查所有UI事件，将控制返回给while循环
glfw.glfwPollEvents()
glfw.glfwTerminate()
