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make mirrored curves work

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This commit is contained in:
yugecin 2016-12-25 18:05:00 +01:00
parent 9ec2d1a5a8
commit b37e03b3be
1 changed files with 14 additions and 7 deletions
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21
src/itdelatrisu/opsu/render/CurveRenderState.java
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@ -287,14 +287,13 @@ public class CurveRenderState {
*/
private void createVertexBuffer(int bufferID) {
int arrayBufferBinding = GL11.glGetInteger(GL15.GL_ARRAY_BUFFER_BINDING);
FloatBuffer buff = BufferUtils.createByteBuffer(4 * (4 + 2) * (2 * curve.length * mirrors - 1) * (NewCurveStyleState.DIVIDES + 2)).asFloatBuffer();
FloatBuffer buff = BufferUtils.createByteBuffer(4 * (4 + 2) * (2 * curve.length - 1) * mirrors * (NewCurveStyleState.DIVIDES + 2)).asFloatBuffer();
if (curve.length > 0) {
fillCone(buff, curve[0].x, curve[0].y, 0);
}
for (int mirror = 0; mirror < mirrors; mirror++) {
//final float angle = 360f * mirror / mirrors;
final float angle = 180f;
final float angle = 360f * mirror / mirrors;
for (int i = 1; i < curve.length; ++i) {
float x = curve[i].x;
float y = curve[i].y;
@ -344,9 +343,12 @@ public class CurveRenderState {
if (clearFirst) {
GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
}
renderCurve(from, to, 0);
if (mirrors > 1 && Options.isMirror()) {
renderCurve(from, to, 1);
int max = mirrors;
if (!Options.isMirror()) {
max = 1;
}
for (int i = 0; i < max; i++) {
renderCurve(from, to, i);
}
GL11.glFlush();
GL20.glDisableVertexAttribArray(staticState.texCoordLoc);
@ -355,11 +357,16 @@ public class CurveRenderState {
}
private void renderCurve(int from, int to, int mirror) {
if (from > 0) {
from -= mirror;
}
to -= mirror;
for (int i = from * 2; i < to * 2 - 1; ++i) {
if (spliceFrom <= i && i <= spliceTo) {
continue;
}
GL11.glDrawArrays(GL11.GL_TRIANGLE_FAN, i * (NewCurveStyleState.DIVIDES + 2) + mirror * curve.length, NewCurveStyleState.DIVIDES + 2);
final int index = i + curve.length * 2 * mirror;// + mirror * curve.length / 2;
GL11.glDrawArrays(GL11.GL_TRIANGLE_FAN, index * (NewCurveStyleState.DIVIDES + 2), NewCurveStyleState.DIVIDES + 2);
}
}