def renderFrame(width, height):
aspectRatio = float(width) / float(height)
#shadow pass?
view = ViewParams()
# Projection (view to clip space transform)
view.viewToClipTransform = lu.make_perspective(g_fov, aspectRatio,
g_nearDistance,
g_farDistance)
# Transform from world space to view space.
view.worldToViewTransform = lu.make_lookAt(g_viewPosition, g_viewTarget,
g_viewUp)
#debug
#view.worldToViewTransform = lu.make_lookAt(g_sunPosition,[0.0,0.0,0.0],g_viewUp)
view.width = width
view.height = height
# the values are taken from Tutorial 16
lightPOV = lu.make_lookAt(g_sunPosition, g_viewTarget, g_viewUp)
view.depthMVPTransform = lu.orthographic_projection_matrix(
0, 1024, 0, 1024, g_nearDistance, g_farDistance) * lightPOV
shadow.shadowRenderPass(g_shadowShader, view, g_renderingSystem,
g_shadowTexId, g_terrain, g_fbo)
glViewport(0, 0, width, height)
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT)
# ViewParams is used to contain the needed data to represent a 'view' mostly we want to get at the
# projection and world-to-view transform, as these are used in all shaders. Keeping them in one
# object makes it easier to pass around. It is also convenient future-proofing if we want to add more
# views (e.g., for a shadow map).
# Call each part of the scene to render itself
g_terrain.render(view, g_renderingSystem, g_shadowTexId)
g_racer.render(view, g_renderingSystem)
for p in g_props:
p.render(view, g_renderingSystem)
def renderFrame(width, height):
glViewport(0, 0, width, height)
glClearColor(g_backGroundColour[0], g_backGroundColour[1],
g_backGroundColour[2], 1.0)
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT)
aspectRatio = float(width) / float(height)
# ViewParams is used to contain the needed data to represent a 'view' mostly we want to get at the
# projection and world-to-view transform, as these are used in all shaders. Keeping them in one
# object makes it easier to pass around. It is also convenient future-proofing if we want to add more
# views (e.g., for a shadow map).
view = ViewParams()
# Projection (view to clip space transform)
view.viewToClipTransform = lu.make_perspective(g_fov, aspectRatio,
g_nearDistance,
g_farDistance)
# Transform from world space to view space.
view.worldToViewTransform = lu.make_lookAt(g_viewPosition, g_viewTarget,
g_viewUp)
view.width = width
view.height = height
# Call each part of the scene to render itself
g_terrain.render(view, g_renderingSystem)
g_racer.render(view, g_renderingSystem)
#g_props.render(view, g_renderingSystem)
for prop in g_props:
prop.render(view, g_renderingSystem)
def renderFrame(uiWidth, width, height):
global g_triangleVerts
global g_cameraDistance
global g_cameraYawDeg
global g_cameraPitchDeg
global g_yFovDeg
global g_lightYaw
global g_lightDistance
global g_lightPitch
# This configures the fixed-function transformation from Normalized Device Coordinates (NDC)
# to the screen (pixels - called 'window coordinates' in OpenGL documentation).
# See: https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glViewport.xhtml
glViewport(0, 0, width, height)
# Set the colour we want the frame buffer cleared to,
glClearColor(0.2, 0.5, 0.1, 1.0)
# Tell OpenGL to clear the render target to the clear values for both depth and colour buffers (depth uses the default)
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT)
viewToClipTransform = lu.make_perspective(g_yFovDeg, width / height, 0.1,
50.0)
eyePos = lu.Mat3(lu.make_rotation_y(
math.radians(g_cameraYawDeg))) * lu.Mat3(
lu.make_rotation_x(
math.radians(g_cameraPitchDeg))) * [0, 0, g_cameraDistance]
worldToViewTransform = magic.make_lookAt(eyePos, [0, 0, 0], [0, 1, 0])
worldToClipTransform = viewToClipTransform * worldToViewTransform
lightRotation = lu.Mat3(lu.make_rotation_y(
math.radians(g_lightYaw))) * lu.Mat3(
lu.make_rotation_x(math.radians(g_lightPitch)))
lightPosition = [0.02, 0, 0] + lu.vec3(0, 23, 0.2)
draw_court(worldToClipTransform, lightPosition)
lu.drawSphere([0.23, -0.45, 0.1, 0], 0.007, [0, 1, 0, 0.5],
viewToClipTransform, worldToViewTransform)
lu.drawSphere(lightPosition, 0.01, [1, 1, 0, 1], viewToClipTransform,
worldToViewTransform)
def renderFrame(xOffset, width, height, time, textures, vao):
global g_camera
global g_yFovDeg
global g_model
lightPosition = lu.vec3(0, 0, 0)
sunPosition = lu.vec3(0, 0, 0)
mercuryPosition = getPosition(80, 0.01, time)
saturnPosition = getPosition(300, 0.05, time)
experimentPosition = getPosition(150, 0.02, time)
moonPosition = getPosition(25, 0.1, time)
# This configures the fixed-function transformation from Normalized Device Coordinates (NDC)
# to the screen (pixels - called 'window coordinates' in OpenGL documentation).
# See: https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glViewport.xhtml
glViewport(xOffset, 0, width, height)
# Set the colour we want the frame buffer cleared to,
glClearColor(0.0, 0.0, 0.0, 1.0)
# Tell OpenGL to clear the render target to the clear values for both depth and colour buffers (depth uses the default)
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT)
worldToViewTransform = g_camera.getWorldToViewMatrix([0, 1, 0])
viewToClipTransform = lu.make_perspective(g_yFovDeg, width / height, 0.1,
1500.0)
glEnable(GL_BLEND)
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
Sphere.drawSphereWithTexture(
experimentPosition, 20.0, "planet1.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/planetFragmentShader.glsl")
Sphere.drawSphereWithTexture(
mercuryPosition, 10.0, "planet2.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/planetFragmentShader.glsl")
Sphere.drawSphereWithTexture(
saturnPosition, 10.0, "fire.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/planetFragmentShader.glsl")
randomNo = random.random()
Sphere.drawSphereWithTexture(
sunPosition, 15.0, "sun.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/sunFragmentShader.glsl")
Sphere.drawSphereWithTexture(
sunPosition, 16.0 + 1 * randomNo, "sun.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/cheekyShader.glsl")
Sphere.drawSphereWithTexture(
sunPosition, 17.0 + 2 * randomNo, "sun.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/cheekyShader.glsl")
Sphere.drawSphereWithTexture(
sunPosition, 18.0 + 3 * randomNo, "sun.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/cheekyShader.glsl")
Sphere.drawSphereWithTexture(
sunPosition, 20.0 + 5 * randomNo, "sun.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/cheekyShader.1.glsl")
Sphere.drawSphereWithTexture(
sunPosition, 24.0 + 9 * randomNo, "sun.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/cheekyShader.2.glsl")
Sphere.drawSphereWithTexture(
sunPosition, 700, "stars3.png", viewToClipTransform,
worldToViewTransform, textures, vao,
lu.transformPoint(worldToViewTransform, lightPosition),
"shaders/allVertexShader.glsl", "shaders/sunFragmentShader.1.glsl")
glDisable(GL_BLEND)
def render_frame(width, height):
""" Renders the frame """
global g_shader
global g_squares
global g_square_colors
global g_square_normals
global g_cam
global g_light_1
global g_light_color_1
global g_ambi_color
global g_spec_color
# Make the camera position
eye_pos = g_cam
look_at = [1.5, 1.5, -1.5]
up_dir = [0, 1, 0]
y_fov = 45
# Light constants
ambient_light = g_ambi_color
specular_light = g_spec_color
world_to_view = lu.make_lookAt(eye_pos, look_at, up_dir)
view_to_clip = lu.make_perspective(y_fov, width / height, 0.1, 260)
world_to_clip = view_to_clip * world_to_view
model_to_view_normal = lu.inverse(lu.transpose(lu.Mat3(world_to_view)))
# Make openGL use transform from screen space to NDC
glViewport(0, 0, width, height)
# Set the clear colour (i.e. background colour)
glClearColor(0.7, 0.8, 1.0, 1.0)
make_squares()
make_texture_coords()
# Unbind the buffers
glBindBuffer(GL_ARRAY_BUFFER, 0)
glBindVertexArray(0)
# Clear the colour and depth buffers
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT)
# Buffer the world to clip transform matrix
tfm_uniform_index = glGetUniformLocation(g_shader, "worldToClipTfm")
glUseProgram(g_shader)
glUniformMatrix4fv(tfm_uniform_index, 1, GL_TRUE, world_to_clip.getData())
glBindVertexArray(g_vertex_array)
model_uniform_index = glGetUniformLocation(g_shader, "modelToView")
glUseProgram(g_shader)
glUniformMatrix4fv(model_uniform_index, 1, GL_TRUE, world_to_view.getData())
norm_uniform_index = glGetUniformLocation(g_shader, "modelToViewNormal")
glUseProgram(g_shader)
glUniformMatrix3fv(norm_uniform_index, 1, GL_TRUE,
model_to_view_normal.getData())
lu.setUniform(g_shader, "camPos", eye_pos)
# Add light 1 uniforms
lu.setUniform(g_shader, "lightColourAndIntensity1", g_light_color_1)
lu.setUniform(g_shader, "viewSpaceLightPosition1", g_light_1)
# Add light 2 uniforms
lu.setUniform(g_shader, "lightColourAndIntensity2", g_light_color_2)
lu.setUniform(g_shader, "viewSpaceLightPosition2", g_light_2)
# Add light 3 uniforms
lu.setUniform(g_shader, "lightColourAndIntensity3", g_light_color_3)
lu.setUniform(g_shader, "viewSpaceLightPosition3", g_light_3)
# Add light 4 uniforms
lu.setUniform(g_shader, "lightColourAndIntensity4", g_light_color_4)
lu.setUniform(g_shader, "viewSpaceLightPosition4", g_light_4)
lu.setUniform(g_shader, "ambientLightColourAndIntensity", ambient_light)
lu.setUniform(g_shader, "materialSpecular", specular_light)
# Fog settings
lu.setUniform(g_shader, "fogColor", g_fog_color)
lu.setUniform(g_shader, "fogDensityConst", g_fog_density)
lu.setUniform(g_shader, "fogHeightConst", g_fog_height)
lu.setUniform(g_shader, "fogMax", g_fog_max)
glActiveTexture(GL_TEXTURE0)
glBindTexture(GL_TEXTURE_2D, g_texture_id)
loc = glGetUniformLocation(g_shader, "plasticTexture")
glUniform1i(loc, 0)
for i in range(int(len(g_squares) / 4)):
lu.setUniform(g_shader, "squareColorIndex", g_square_colors[i])
lu.setUniform(g_shader, "squareNormal", g_square_normals[i])
glDrawArrays(GL_TRIANGLE_FAN, i * 4, 4)
