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Diffstat (limited to 'o3d/samples/o3d-webgl-samples/bubbles/bubble.html')
| -rw-r--r-- | o3d/samples/o3d-webgl-samples/bubbles/bubble.html | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/o3d/samples/o3d-webgl-samples/bubbles/bubble.html b/o3d/samples/o3d-webgl-samples/bubbles/bubble.html index 80570f7..60b664f 100644 --- a/o3d/samples/o3d-webgl-samples/bubbles/bubble.html +++ b/o3d/samples/o3d-webgl-samples/bubbles/bubble.html @@ -61,6 +61,12 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. This demo is based off of the bubble demo created for o3d command buffers: http://code.google.com/p/o3d/source/browse/trunk/googleclient/o3d/?r=55#o3d/command_buffer/samples/bubble +The wish list of things that could be added: + +* Ability to change environment maps. +* Dynamic image backgrounds instead of solid colors. +* Pop bubbles (picking), or bubbles become thinner over time and self pop. + --> </head> @@ -207,6 +213,7 @@ http://code.google.com/p/o3d/source/browse/trunk/googleclient/o3d/?r=55#o3d/comm uniform samplerCube env_sampler; uniform vec4 thickness_params; uniform bool useCubeMap; + uniform bool blendTwice; varying vec4 v_position; varying vec2 v_uv; @@ -222,12 +229,20 @@ http://code.google.com/p/o3d/source/browse/trunk/googleclient/o3d/?r=55#o3d/comm // Modulate iridescence color by the environment looked up along the // reflected ray. vec4 color = texture2D(iridescence_sampler, vec2(cos_i, thickness)); + if (useCubeMap) { color.xyz *= textureCube(env_sampler, v_reflected).xyz; } // Modulate by per-face attenuation color.rgb *= thickness_params.w; + + if (blendTwice) { + // Apply color effect a second time for more vibrant, visible bubbles. + color.rgb = color.rgb * (1.0 + color.a); + color.a *= color.a; + } + gl_FragColor = color; } </textarea> |