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FIX:add new light for text shape

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Jira: STUDIO-2623
Change-Id: I3a189154455040e8c2cb41ff8d8ac065661406ad
(cherry picked from commit 5854839c8f552b136cca6b3ff75605fa1e696fd0)
This commit is contained in:
zhou.xu 2023-08-29 16:22:14 +08:00 • committed by Lane.Wei
parent c631a69c32
commit bcd8c90b4f
3 changed files with 12 additions and 3 deletions
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11
resources/shaders/gouraud.vs
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@ -14,6 +14,9 @@ const vec3 LIGHT_FRONT_DIR = vec3(0.6985074, 0.1397015, 0.6985074);
//#define LIGHT_FRONT_SPECULAR (0.0 * INTENSITY_CORRECTION)
//#define LIGHT_FRONT_SHININESS 5.0
const vec3 LIGHT_BACK_DIR = vec3(0.1397015, 0.6985074,0.6985074);
#define LIGHT_BACK_DIFFUSE (0.3 * INTENSITY_CORRECTION)
#define INTENSITY_AMBIENT 0.3
const vec3 ZERO = vec3(0.0, 0.0, 0.0);
@ -32,7 +35,7 @@ uniform SlopeDetection slope;
uniform vec2 z_range;
// Clipping plane - general orientation. Used by the SLA gizmo.
uniform vec4 clipping_plane;
uniform bool is_text_shape;
// x = diffuse, y = specular;
varying vec2 intensity;
@ -59,7 +62,11 @@ void main()
// Perform the same lighting calculation for the 2nd light source (no specular applied).
NdotL = max(dot(eye_normal, LIGHT_FRONT_DIR), 0.0);
intensity.x += NdotL * LIGHT_FRONT_DIFFUSE;
if(is_text_shape){
NdotL = max(dot(eye_normal, LIGHT_BACK_DIR), 0.0);
intensity.x += NdotL * LIGHT_BACK_DIFFUSE;
}
model_pos = gl_Vertex;
// Point in homogenous coordinates.
world_pos = volume_world_matrix * gl_Vertex;