Arctic Ice: Developing the Ice Look for How to Train Your Dragon 2 Feng Xie Mike Necci Jon Lanz Patrick O'Brien Paolo de Guzman DreamWorks Animation Eduardo Bustillo From the arctic far north to the 1 Bewilderbeast created icy mountains, ice is a dominant setting in How to Train Your Dragon 2. Production design called for a physically realistic look, as reflected in Figure 1. In this talk, we present the creative and technical solutions we developed to overcome the challenges in realizing the artistic vision for Dragon 2 ice. Figure 2: Reference photo of glacier ice Figure 2. To make it easier for artists to control how color deepens as the ice gets thicker, we added a ramp map that allowed the user to shift the color of the scattering source according to the distance between the scattering source and shading point, as illustrated by Figure 3. Figure 1: Dragon 2 Art Reference for the Ice Cathedral Developing the look of Glacier Ice To achieve the look of Dragon 2's glacier like ice, elements that were massive in scale, contorted in shape and intersected by many complex objects, we relied heavily on translucency as the foundation of
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