xiaoyan159/vtm
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Location renderer improvements #321

Browse Source
This commit is contained in:
Emux
2017-03-09 13:06:39 +02:00
parent 26253a6104
commit 20f1121d3a
5 changed files with 22 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
vtm/resources/assets/shaders/location_1.glsl
View File

@@ -20,9 +20,10 @@ varying vec2 v_tex;
uniform float u_scale;
uniform float u_phase;
uniform vec2 u_dir;
uniform int u_mode;
void main() {
float len = 1.0 - length(v_tex);
if (u_dir.x == 0.0 && u_dir.y == 0.0) {
if (u_mode == 1) {
gl_FragColor = vec4(0.2, 0.2, 0.8, 1.0) * len;
} else {
// outer ring

3
vtm/resources/assets/shaders/location_1_reverse.glsl
View File

@@ -20,9 +20,10 @@ varying vec2 v_tex;
uniform float u_scale;
uniform float u_phase;
uniform vec2 u_dir;
uniform int u_mode;
void main() {
float len = 1.0 - length(v_tex);
if (u_dir.x == 0.0 && u_dir.y == 0.0) {
if (u_mode == 1) {
gl_FragColor = vec4(0.2, 0.2, 0.8, 1.0) * len;
} else {
// outer ring

7
vtm/resources/assets/shaders/location_2.glsl
View File

@@ -20,9 +20,10 @@ varying vec2 v_tex;
uniform float u_scale;
uniform float u_phase;
uniform vec2 u_dir;
uniform int u_mode;
void main() {
float len = 1.0 - length(v_tex);
if (u_dir.x == 0.0 && u_dir.y == 0.0) {
if (u_mode == 1) {
gl_FragColor = vec4(0.2, 0.2, 0.8, 1.0) * len;
} else {
// outer ring
@@ -34,11 +35,11 @@ void main() {
vec2 dir = normalize(v_tex);
float d = dot(dir, u_dir);
// 0.5 width of viewshed
d = clamp(smoothstep(0.7, 0.7 + 2.0/u_scale, d) * len, 0.0, 1.0);
d = clamp(smoothstep(0.7, 0.7 + 2.0 / u_scale, d) * len, 0.0, 1.0);
// - subtract inner from outer to create the outline
// - multiply by viewshed
// - add center point
a = max(d, (a - (b + c)) + c);
a = max(d, (a - (b + c)) + c) + (u_mode == 2 ? c : 0);
gl_FragColor = vec4(0.2, 0.2, 0.8, 1.0) * a;
}
}